This paper explores sustainability in supply chains in Costa Rica through an overview of the industrial
sector and identifies its most common characteristics. Moreover, relying on the carbon footprint indicator
and using estimates of the carbon emissions from a supply chain network, mainly associated with
transportation, arrives at the conclusion that they should be carefully examined to promote initiatives of
sustainability and to reduce the carbon footprint in accordance to the government’s intention to become
carbon neutral by 2021. Throughout the research it was found that the old rail infrastructure from the
central plateau to the ports is rather attractive to reduce carbon emissions. The paper also presents
options to achieve sustainability and points out challenges that must be overcome denoting the deficient transportation infrastructure as the most critical. The aim of this work is to call attention to the need to undertake a plan for freight transportation suitable to reduce emissions and secure sustainability.
The report on “Green logistics: Redesigning logistics for a better tomorrow” is a part of joint endeavour between Confederation of Indian Industry (CII) Institute of Logistics and TATA Strategic Management group (TSMG) Supply Chain and Logistics Practice to highlight the importance of Green Logistics.
In today’s globalized economy, having a robust and flexible logistics system can be a differentiating factor leading to success or failure of business activities. Implementing Green Logistics not only gives environmental benefits but also several strategic business benefits required to differentiate existing Supply chains. Initiatives such as Network Optimization and Logistics efficiency improvements which greatly contribute in reducing the Carbon footprint also gives a competitive edge to the companies to create a more robust and responsive Supply Chain. Initiatives in Warehouses such as Innovative lighting and other Warehouse efficiency improvements along with adapting to green packaging; aids to this idea of achieving a complete Green logistics. Companies also need to work closely with environmentally responsible Supply Chain vendors and suppliers who have a commitment towards sustainability and have significant experience in providing eco-friendly solutions.
Sustainable supply chain management in a circular economy slide shareAnna Aminoff
Presentation slides in KES SDM 2016 conference
Abstract: In the last few years, the circular economy has attracted increasing attention as a way to overcome the problems of the current production and consumption model based on continuous growth and increasing resource throughput. A circular economy is an industrial system that is restorative or regenerative by intention and design. Although supply chains are the key unit of action in the change towards a circular economy, the academic literature on supply chain management approaches in a circular economy is very much in its infancy. However, two distinct literature streams, namely sustainable supply chain management and product service systems, seem to offer valua-ble insights into the investigation of supply chain management in a circular economy. The aim of this paper is to analyse the main characteristics and challenges of supply chain management in a circular economy and identify how these two literature streams can contribute to researching it.
International Refereed Journal of Engineering and Science (IRJES)irjes
The core of the vision IRJES is to disseminate new knowledge and technology for the benefit of all, ranging from academic research and professional communities to industry professionals in a range of topics in computer science and engineering. It also provides a place for high-caliber researchers, practitioners and PhD students to present ongoing research and development in these areas.
Germany supply chain Fish & Automotive IndustriesAkramMad1
material and logistics management course In This Document we are to talk about how the German supply chain works and what do they do that makes it the leader in Supply chains around the world and also we will be talking about 2 industries and they apply their supply chain
The report on “Green logistics: Redesigning logistics for a better tomorrow” is a part of joint endeavour between Confederation of Indian Industry (CII) Institute of Logistics and TATA Strategic Management group (TSMG) Supply Chain and Logistics Practice to highlight the importance of Green Logistics.
In today’s globalized economy, having a robust and flexible logistics system can be a differentiating factor leading to success or failure of business activities. Implementing Green Logistics not only gives environmental benefits but also several strategic business benefits required to differentiate existing Supply chains. Initiatives such as Network Optimization and Logistics efficiency improvements which greatly contribute in reducing the Carbon footprint also gives a competitive edge to the companies to create a more robust and responsive Supply Chain. Initiatives in Warehouses such as Innovative lighting and other Warehouse efficiency improvements along with adapting to green packaging; aids to this idea of achieving a complete Green logistics. Companies also need to work closely with environmentally responsible Supply Chain vendors and suppliers who have a commitment towards sustainability and have significant experience in providing eco-friendly solutions.
Sustainable supply chain management in a circular economy slide shareAnna Aminoff
Presentation slides in KES SDM 2016 conference
Abstract: In the last few years, the circular economy has attracted increasing attention as a way to overcome the problems of the current production and consumption model based on continuous growth and increasing resource throughput. A circular economy is an industrial system that is restorative or regenerative by intention and design. Although supply chains are the key unit of action in the change towards a circular economy, the academic literature on supply chain management approaches in a circular economy is very much in its infancy. However, two distinct literature streams, namely sustainable supply chain management and product service systems, seem to offer valua-ble insights into the investigation of supply chain management in a circular economy. The aim of this paper is to analyse the main characteristics and challenges of supply chain management in a circular economy and identify how these two literature streams can contribute to researching it.
International Refereed Journal of Engineering and Science (IRJES)irjes
The core of the vision IRJES is to disseminate new knowledge and technology for the benefit of all, ranging from academic research and professional communities to industry professionals in a range of topics in computer science and engineering. It also provides a place for high-caliber researchers, practitioners and PhD students to present ongoing research and development in these areas.
Germany supply chain Fish & Automotive IndustriesAkramMad1
material and logistics management course In This Document we are to talk about how the German supply chain works and what do they do that makes it the leader in Supply chains around the world and also we will be talking about 2 industries and they apply their supply chain
Asesoría Logística
Es el servicio que realizan las agencias aduanales, asesorando empresas o personas en las gestiones y trámites necesarios para la exportación o importación de mercancías.
En la actualidad los servicios de logística forman parte importante de las distintas cadenas de suministro de las organizaciones actuales, facilitando el acceso, el envío, el ahorro de tiempo y costos en el manejo de los productos o mercancías.
Opportunity to reduce carbon content in supply chain thesis
This is my YouTube channel please visit, https://www.youtube.com/channel/UCzqDP4ePIIuZ42KbFMaRw1g?sub_confirmation=1
Running Head TRUCKING SECTOR1TRUCKING SECTOR6.docxtoltonkendal
Running Head: TRUCKING SECTOR1
TRUCKING SECTOR6
Green Technology for Trucking Sector
Background Information
Heavy and medium-duty trucks play crucial roes in the economy of any nation. Trucking provides employment; influences usage of land; impacts commercial activities; and affects the prices of land as well as other commodities. According to research, the trucking industry in some countries is worth billions. The trucking industry also employs hundreds of thousands of drivers and provides livelihood to other parties that are not directly associated with the trucks (Abate & Road, 2014). Normally, trucking firms are made up of smaller companies that include carriers. There are varying levels of players in the industry from micro-trucking firms that employ from 1 to 4 employees to large motor carriers that employ more than 500 employees. In between these extremes, there are medium carriers. All these have a significant contribution to the carbon footprint.
Whilst the trucking industry bears significant amount of burden to the environment, it is a critical sector that holds the economy and livelihood of many. The industry involves many players from the drivers themselves to policy makers, support services, and government agencies. Striking an equilibrium in the industry core players at any given time determines how the industry runs and its key outcomes. One tough concern that has pervaded the industry over the years has been fuel economy and environmental management issues. Yet the number of goods required to be transported across borders and from one coast of a country to another has been increasing over the years. That means there is need for more trucks on the road igniting myriad environmental and climatic consequences. Ideally, safety, security, sustainability, and stresslessness should drive the trucking sector (O’Rourke, 2012). But with the current situation, it is only with a robust environmental friendly intervention that this can occur.
Over the years, pressures on the transport and logistic industry have been mounting. There has been pressure over environmental concerns so much so that governmental awareness on the same has led to increased pressure on key players in the industry. In addition consumers have also become more aware of the harms that logistics companies cause to the environment. As such, consumers have become demanding regarding green technologies and clean energy initiatives in the transport and logistic industry. In tandem with this change, it has become commonplace to have rising interest for streamlining operations for logistic companies. Firms that adopt greener technologies stand better chances of increasing their competitive edge (O’Rourke, 2012). Introduction of new structures for the logistics industry presents great benefits that may lead to better management of the environment.
Statement of Purpose
The purpose of this paper is to describe different factors that can influence the carbon ...
Barriers’ analysis for implementing Green Supply Chain: a case study in Moroccoinventionjournals
The purpose of this paper is to develop a structural model of the barriers to implement Green Supply Chain (GSC) in Morocco. Interpretive Structural Modeling (ISM) and MICMAC approaches have been used to identify and classify the barriers to implement GSC in Morocco. This paper has identified 11 GSC barriers and developed an integrated model using ISM and the fuzzy MICMAC approach, which is helpful to identifying and classifying the important GSC barriers and revealing the direct and indirect effects of each barrier on the GSC implementation by Moroccan. The integrated approach is developed, since the ISM model provides only binary relationship among obstacles, while fuzzy MICMAC analysis provides precise analysis related to the driving and dependence power of the barriers. Better understanding of these barriers will help Moroccan organizations to prioritize better and manage their resources in an efficient and effective way. This is the first kind of study to identify the GSC barriers and further, to deploy ISM and fuzzy MICMAC in order to analyze the barriers that influence GSC implementation in Moroccan. It is also the first paper in suggesting solutions ensuring effective and efficient development of GSC in the country
Alfonso Buxens, UNDP Procurement Specialist presented the SPHS and UNDP's commitment to green its own procurement policies and practices at the Medical Procurement Workshop. The workshop took place on 21-22 September 2017 in Odesa, Ukraine.
UNDP: How Procurers Can Change the Global Health Sector UN SPHS
Alfonso Buxens, the Procurement Specialist of UNDP has delivered a presentation regarding how the UNDP Global Fund Health Implementation Support Team is facilitating change in the Global Health Sector at the dialogue on “Fostering Sustainable Procurement: How Procurers Can Change the Global Health Sector” in UN City, Copenhagen on 11 May 2016.
Asesoría Logística
Es el servicio que realizan las agencias aduanales, asesorando empresas o personas en las gestiones y trámites necesarios para la exportación o importación de mercancías.
En la actualidad los servicios de logística forman parte importante de las distintas cadenas de suministro de las organizaciones actuales, facilitando el acceso, el envío, el ahorro de tiempo y costos en el manejo de los productos o mercancías.
Opportunity to reduce carbon content in supply chain thesis
This is my YouTube channel please visit, https://www.youtube.com/channel/UCzqDP4ePIIuZ42KbFMaRw1g?sub_confirmation=1
Running Head TRUCKING SECTOR1TRUCKING SECTOR6.docxtoltonkendal
Running Head: TRUCKING SECTOR1
TRUCKING SECTOR6
Green Technology for Trucking Sector
Background Information
Heavy and medium-duty trucks play crucial roes in the economy of any nation. Trucking provides employment; influences usage of land; impacts commercial activities; and affects the prices of land as well as other commodities. According to research, the trucking industry in some countries is worth billions. The trucking industry also employs hundreds of thousands of drivers and provides livelihood to other parties that are not directly associated with the trucks (Abate & Road, 2014). Normally, trucking firms are made up of smaller companies that include carriers. There are varying levels of players in the industry from micro-trucking firms that employ from 1 to 4 employees to large motor carriers that employ more than 500 employees. In between these extremes, there are medium carriers. All these have a significant contribution to the carbon footprint.
Whilst the trucking industry bears significant amount of burden to the environment, it is a critical sector that holds the economy and livelihood of many. The industry involves many players from the drivers themselves to policy makers, support services, and government agencies. Striking an equilibrium in the industry core players at any given time determines how the industry runs and its key outcomes. One tough concern that has pervaded the industry over the years has been fuel economy and environmental management issues. Yet the number of goods required to be transported across borders and from one coast of a country to another has been increasing over the years. That means there is need for more trucks on the road igniting myriad environmental and climatic consequences. Ideally, safety, security, sustainability, and stresslessness should drive the trucking sector (O’Rourke, 2012). But with the current situation, it is only with a robust environmental friendly intervention that this can occur.
Over the years, pressures on the transport and logistic industry have been mounting. There has been pressure over environmental concerns so much so that governmental awareness on the same has led to increased pressure on key players in the industry. In addition consumers have also become more aware of the harms that logistics companies cause to the environment. As such, consumers have become demanding regarding green technologies and clean energy initiatives in the transport and logistic industry. In tandem with this change, it has become commonplace to have rising interest for streamlining operations for logistic companies. Firms that adopt greener technologies stand better chances of increasing their competitive edge (O’Rourke, 2012). Introduction of new structures for the logistics industry presents great benefits that may lead to better management of the environment.
Statement of Purpose
The purpose of this paper is to describe different factors that can influence the carbon ...
Barriers’ analysis for implementing Green Supply Chain: a case study in Moroccoinventionjournals
The purpose of this paper is to develop a structural model of the barriers to implement Green Supply Chain (GSC) in Morocco. Interpretive Structural Modeling (ISM) and MICMAC approaches have been used to identify and classify the barriers to implement GSC in Morocco. This paper has identified 11 GSC barriers and developed an integrated model using ISM and the fuzzy MICMAC approach, which is helpful to identifying and classifying the important GSC barriers and revealing the direct and indirect effects of each barrier on the GSC implementation by Moroccan. The integrated approach is developed, since the ISM model provides only binary relationship among obstacles, while fuzzy MICMAC analysis provides precise analysis related to the driving and dependence power of the barriers. Better understanding of these barriers will help Moroccan organizations to prioritize better and manage their resources in an efficient and effective way. This is the first kind of study to identify the GSC barriers and further, to deploy ISM and fuzzy MICMAC in order to analyze the barriers that influence GSC implementation in Moroccan. It is also the first paper in suggesting solutions ensuring effective and efficient development of GSC in the country
Alfonso Buxens, UNDP Procurement Specialist presented the SPHS and UNDP's commitment to green its own procurement policies and practices at the Medical Procurement Workshop. The workshop took place on 21-22 September 2017 in Odesa, Ukraine.
UNDP: How Procurers Can Change the Global Health Sector UN SPHS
Alfonso Buxens, the Procurement Specialist of UNDP has delivered a presentation regarding how the UNDP Global Fund Health Implementation Support Team is facilitating change in the Global Health Sector at the dialogue on “Fostering Sustainable Procurement: How Procurers Can Change the Global Health Sector” in UN City, Copenhagen on 11 May 2016.
Research on the Current Situation and Promotion Strategy of Green Transformat...ijtsrd
On September 22, 2020, at the 75th United Nations General Assembly, China formally proposed the goal of achieving carbon peak in 2030 and carbon neutrality in 2060.Carbon neutrality is not only a national strategy, but also a national requirement for every enterprise. The goal of double carbon has put forward higher development requirements for the logistics industry, and vigorously promoting the development of green logistics has become an important path for Chinas logistics industry to achieve green transformation and upgrading. This paper starts with the analysis of the current situation of green transformation of logistics enterprises in Beijing, and puts forward countermeasures to solve the existing problems, so as to provide reference for promoting green logistics to achieve sustainable development goals. Lu Liuyi "Research on the Current Situation and Promotion Strategy of Green Transformation of Logistics Enterprises in Beijing" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-7 | Issue-6 , December 2023, URL: https://www.ijtsrd.com/papers/ijtsrd60118.pdf Paper Url: https://www.ijtsrd.com/other-scientific-research-area/other/60118/research-on-the-current-situation-and-promotion-strategy-of-green-transformation-of-logistics-enterprises-in-beijing/lu-liuyi
Sustainable supplier selection: the effect of logistical collaboration on log...IJERA Editor
This research assesses the effect of buyer-supplier collaboration on logistical performance by considering sustainable criteria. The paper presents the results of a survey with 124 respondents of the Brazilian organizations to understand the relationship among Third-Party Logistical (3PL), Consumer Packaged Goods (CPG) industry and Carriers. The results disclose that elements of logistical collaboration (interpersonal, tactical and strategic) exert positive influence in logistical performance (reliability, transport and risk). The interpersonal and strategic collaboration indices positively influence the reliability, which performs the highest-level performance index.
Compared with general commercial reverse logistics operators, the recovery and treatment of expired drugs and medical waste is a complex and highly technically difficult project. The qualifications required by the relevant service providers are also more stringent. For medical institutions, the selection of reverse logistics operators is always a critical issue. On the perspective of sustainability, this paper aims to investigate and explore the critical factors of selecting a medical reverse logistics service provider. Through the process of the Delphi method, the experts’ assessments were collected, and 24 factors affecting the selection of medical reverse logistics service provider were screened and summarized. Then, Decision-Making Trial and Evaluation Laboratory (DEMATEL) was employed to calculate the total influence values and net influence values between factors that could be used to draw the visual causal map. Referring the causal map, “Green process operation level” and “Recycling process greening degree” are significantly higher than other factors in terms of total influence value and net influence value. Therefore, they can be regarded as crucial factors. This finding implies that medical reverse logistics providers must have the ability to improve the greening of facilities, as well as equipment, integrating existing processes to make it greener and environmentally friendly.
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The College Bus Management system is completely developed by Visual Basic .NET Version. The application is connect with most secured database language MS SQL Server. The application is develop by using best combination of front-end and back-end languages. The application is totally design like flat user interface. This flat user interface is more attractive user interface in 2017. The application is gives more important to the system functionality. The application is to manage the student’s details, driver’s details, bus details, bus route details, bus fees details and more. The application has only one unit for admin. The admin can manage the entire application. The admin can login into the application by using username and password of the admin. The application is develop for big and small colleges. It is more user friendly for non-computer person. Even they can easily learn how to manage the application within hours. The application is more secure by the admin. The system will give an effective output for the VB.Net and SQL Server given as input to the system. The compiled java program given as input to the system, after scanning the program will generate different reports. The application generates the report for users. The admin can view and download the report of the data. The application deliver the excel format reports. Because, excel formatted reports is very easy to understand the income and expense of the college bus. This application is mainly develop for windows operating system users. In 2017, 73% of people enterprises are using windows operating system. So the application will easily install for all the windows operating system users. The application-developed size is very low. The application consumes very low space in disk. Therefore, the user can allocate very minimum local disk space for this application.
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Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
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A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
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Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
Automobile Management System Project Report.pdfKamal Acharya
The proposed project is developed to manage the automobile in the automobile dealer company. The main module in this project is login, automobile management, customer management, sales, complaints and reports. The first module is the login. The automobile showroom owner should login to the project for usage. The username and password are verified and if it is correct, next form opens. If the username and password are not correct, it shows the error message.
When a customer search for a automobile, if the automobile is available, they will be taken to a page that shows the details of the automobile including automobile name, automobile ID, quantity, price etc. “Automobile Management System” is useful for maintaining automobiles, customers effectively and hence helps for establishing good relation between customer and automobile organization. It contains various customized modules for effectively maintaining automobiles and stock information accurately and safely.
When the automobile is sold to the customer, stock will be reduced automatically. When a new purchase is made, stock will be increased automatically. While selecting automobiles for sale, the proposed software will automatically check for total number of available stock of that particular item, if the total stock of that particular item is less than 5, software will notify the user to purchase the particular item.
Also when the user tries to sale items which are not in stock, the system will prompt the user that the stock is not enough. Customers of this system can search for a automobile; can purchase a automobile easily by selecting fast. On the other hand the stock of automobiles can be maintained perfectly by the automobile shop manager overcoming the drawbacks of existing system.
SUSTAINABILITY OF SUPPLY CHAINS IN COSTA RICA FOCUSING ON FREIGHT TRANSPORTATION EMISSIONS
1. International Journal of Managing Value and Supply Chains (IJMVSC) Vol. 7, No. 1, March 2016
DOI: 10.5121/ijmvsc.2016.7102 13
SUSTAINABILITY OF SUPPLY CHAINS IN COSTA
RICA FOCUSING ON FREIGHT TRANSPORTATION
EMISSIONS
Natalia Robles1
1
Department of Industrial Production Engineering, Instituto Tecnológico de Costa Rica,
Cartago, Costa Rica
ABSTRACT
This paper explores sustainability in supply chains in Costa Rica through an overview of the industrial
sector and identifies its most common characteristics. Moreover, relying on the carbon footprint indicator
and using estimates of the carbon emissions from a supply chain network, mainly associated with
transportation, arrives at the conclusion that they should be carefully examined to promote initiatives of
sustainability and to reduce the carbon footprint in accordance to the government’s intention to become
carbon neutral by 2021. Throughout the research it was found that the old rail infrastructure from the
central plateau to the ports is rather attractive to reduce carbon emissions. The paper also presents
options to achieve sustainability and points out challenges that must be overcome denoting the deficient
transportation infrastructure as the most critical. The aim of this work is to call attention to the need to
undertake a plan for freight transportation suitable to reduce emissions and secure sustainability.
Keywords:
Sustainability, Supply chains, Carbon footprint, Freight transportation, Carbon Emissions
1. INTRODUCTION
Sustainability is a concept recently incorporated to businesses and even later to supply chains
which has been evolving rapidly in the last years. Payman and Searcy (2013) [1] state that it has
been defined in several ways, as the capability of creating resilient organizations able to affront
adversity, by means of economical, environmental and social integrated systems, having
initiatives as corporate sustainability or corporate social responsibility, and emphasizing the role
of supply chain management. Therefore sustainability in the supply chain is a current concern
for many companies. Some have already measured their carbon emissions and taken steps to
determine the carbon footprint in organizations and products, although it still is not a regular
practice. The carbon footprint has been used as an indicator of the environmental impact of the
supply chain, towards its sustainability, with the advantage of being a simple and easy to
understand indicator though limited to define the overall environmental impact of a product.
Various methodologies have been presented for carbon footprint accounting such as: PAS 2050,
from Great Britain, BPX30-323, from France, the ISO 14040/44, and the GHG Protocol from the
World Resource Institute (WRI) and the World Business Council for Sustainable Development
(WBCSD).
Seman et al. (2012) [2] concluded that more research on green supply chains implementation and
adoption is needed in developing countries. Developing countries urge to have more sustainable
production operations and products. The products distribution and transportation is in fact an
important decision in supply chains in order to assure not only customers satisfaction but also
2. International Journal of Managing Value and Supply Chains (IJMVSC) Vol. 7, No. 1, March 2016
14
resources efficiency (Negi and Anand, 2015) [3]. In this paper a developing country supply
chains characteristics and freight transportation conditions are studied to propose suitable
strategies and options to reduce carbon emissions and to achieve sustainability. It is envisioned
that the findings related to freight transportation and sustainable supply chains in this research
will be useful to other similar developing countries determined to pursue a more sustainable
state.
2. LITERATURE REVIEW
Hong et al. (2009) [4] confirm that the increment in the level of environmental requirements
impacts the nature of the collaboration efforts among suppliers and distributors. Tiwari et al.
(2013) [5] indicate that many supply chain management strategies consider robust coordination
and collaboration among their members, emphasizing that coordination among actors of the
supply chain has implications at the level of sustainability. Van Hoof and Thiell (2013) [6]
found that sustainability requires multi-interested demands; hence for implementing sustainable
management, it is a must that the different actors have the ability to collaborate with each other.
This collaboration may contribute to establish an inter-organizational platform where motivation
may be achieved by goals such as cleaner production. Moreover, they concluded that
collaboration is essential for the effective implementation of cleaner production; also that it may
allow advances in terms of sustainable supply chains. In brief, they confirmed cleaner production
is a first step towards supply chain sustainability.
It is important to highlight that some companies´ economic goals also promote sustainability.
One example is the search for waste elimination in operative processes. Martínez-Jurado and
Moyano-Fuentes (2013) [7] indicate that lean and green concepts are complements that are
governed by principles of waste reduction centered on the process, preventive actions, as well as
in high levels of worker participation. They point out that lean companies have created
opportunities to apply principles of green manufacturing which in addition to lean practices favor
the achievement of environmental improvements. They emphasize that one of the hardest
challenges of companies involved with lean initiatives is to achieve integration with key
suppliers and clients.
Arvis et al. (2014) [8] indicated that the concern for sustainable supply chains has increased
mainly in developed countries. For that reason developing countries when commercializing with
developed countries need to carefully consider their logistic print and review their governmental
models and operations to ascertain that they have the best infrastructure with transportation
modes, mainly rail, because although supply chains do expand and cover several countries they
still are critical for a nations´ competitiveness. Testa and Iraldo (2010) [9] highlight that
companies today go beyond the limits of their production processes and organizations, they focus
on the life cycle of their products and services, that is, on their supply chain. Hence, sustainable
supply chains must quantify the impacts of all the links and collaborate among them in order to
reduce their overall impact. The actual concern for life cycle analysis demands collaboration
among actors, and the impact of a not-committed actor is worth to be avoided.
Beamon (1999) [10] points out that the first step attaining sustainability in the supply chain is to
redefine its structure, adding environmental concerns such as resources utilization and waste.
States also, that the traditional supply chain must be extended to recover the product; despite of
the fact that this extension may add complexity to its structure. That in addition, this extension
would have its own issues such as the unknown product return or packaging rates and the
management of the inverse logistics considering that recollection, transport and packaging could
affect the current facilities location, inbound logistics and environmental development.
Deshmukh and Vasudevan (2014) [11] indicate that extension of the supply chain demands to
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rethink performance indicators including supplier selection criteria in order to allow companies
to achieve sustainability but remain in the market.
3. OBJECTIVES OF THE STUDY
Carbon emissions are critical today, the Intergovernmental Panel for Climate Change IPCC
(2014) [12] indicates that the scientific community is demanding to take the net emissions of
greenhouse gases to zero by 2100, and urged nations, mainly developed ones to intensify efforts
in that sense. Costa Rica is committed to become carbon neutral by 2021 and one of the highest
carbon emission sources is transportation. Hence the present study has been conducted with the
following objectives:
-Identify characteristics of the supply chain networks in the country.
-Suggest strategies suitable to reduce carbon emissions mainly for freight transportation.
-Suggest supply chain network options to achieve sustainability.
-Identify challenges the country must overcome to achieve sustainability in supply chains.
4. METHODOLOGY
In order to identify supply chains in Costa Rica and their characteristics a descriptive research
methodology was conducted identifying the most representative industry sectors.
To illustrate the impact of freight transport effectiveness and the need to reduce carbon
emissions, several cases of freight transportation are presented. Since diesel is the common fuel
the emission factor for carbon dioxide of 2.69 kg CO2e/liter as specified in 2014 by the National
Meteorological Institute IMN (which is in accordance with the value of the GHG Protocol 2014)
will be used. Other greenhouse gases that result from fuel combustion are CH4 and N2O, the
National Meteorological Institute IMN (2014) [13] reports them only for diesel operated vehicles
that lack a catalytic converter. Those three gas emissions need to be converted to carbon
equivalent emissions using the warming potential factors projected to 100 years as denoted by
IPCC (Intergovernmental Panel on Climate Change). In this study, even assuming vehicles
without catalytic converters, CH4 and N2O emissions were found to have a very small influence
on the overall results, because CO2 emissions prevail.
Currently freight transportation modes were considered in the calculations for the cases studied.
Common fleet characteristics in the country were also considered in the cases. Distances and
routes were obtained from government reports. The fuel economy data for calculations was taken
from available recent research.
Based on the results obtained, and considering state of the art practices from the literature
review, as well as the characteristics of the supply chains of the country, options for possible
supply chain networks are suggested to achieve sustainability.
5. RESULTS AND DISCUSSION
5.1. Supply Chain Networks in Costa Rica
Pursuing the objectives of this research thru a broad overview of the Costa Rican industry
practices several supply chain network characteristic were encountered.
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5.1.1 Supply Chain Networks Characterization
Cimoli (2005) [14] indicates that national industries in Costa Rica export mostly food and
traditional manufacture which consist of agriculture products of low value added. There are well
established agricultural-chains such as the coffee, milk, banana and pineapple chains. In regard
to milk, the Agriculture Livestock and Dairy Ministry MAG (2013) [15] reported that 43% of the
farms are specialized in milk production and of them more than 86% are small (less than 50
hectares). The remaining 57 % are meat and milk farms. The purchasers of milk in the country
are only eight milk processing plants, which distribute within the country 55% of the production,
constituting, therefore, an oligopolic structure. There are cooperatives and private capital
companies, with a high level of integration with the agricultural production, characterized by the
acquisition of raw materials throughout the whole year. CEPAL (2014) [16] found that the dairy
value chain in Costa Rica presents a high level of integration of small and medium enterprises,
that have been able to maintain their competitiveness even confronting the additional costs
motivated by the environmental measures taken to differentiate their products, precisely to
guarantee environmental development, achieving that way the highest milk exportation in
Central America. Cooperativa de Productores de Leche Dos Pinos, the main producer, has two
production plants and eleven distribution centers in the country.
With regard to the pineapple supply chain, Barrientos y Porras (2010) [17] found that plantations
have grown substantially in the last decades and today about 90% of the production is exported.
There are many medium and small producers that have given rise to a variety of affiliate
organizations, companies and even cooperatives, dedicated to packaging and other related
activities. The exportation mode is mainly by sea, from the port at Limón, which implies
transportation of the product by land from the farms and packaging companies of some 75 km in
the best cases, but if they come from the region of Buenos Aires (Puntarenas), south of the
country, where one of the major producers is located the distance increases to 350 km
approximately.
Another consolidated supply chain sector refers to supermarkets. The Chamber of Commerce of
Costa Rica (2013) [18] concluded that the distribution chain of food products to warehouses,
supermarkets and small and medium size convenience stores is well developed and that there are
even supermarket chains that import directly. They also observed that certain multinational and
transnational consumer goods companies control their distribution channels with great emphasis
in placing their brands in the market, and even do by themselves the distribution operations of
their own products.
Food and beverages is another important production and exportation industrial sector of Costa
Rica. Some relevant companies produce and distribute their products through warehouses around
the country; some others even have convenience markets of their own to sell their products (such
as Florida Ice and Farm Company). However Hidalgo et al. (2009) [19] found that most food
companies (medium and small) have suppliers within the country and subcontract their products
distribution and commercialization services. Food manufactures usually lack warehouses and
hence distribute products directly from their production plants.
Gil (2012) [20] shows that plastic exports increased 14% in 2010. Plastic manufactures range
from national small companies to multinational giant companies usually located in free trade
zones. All of them import the raw materials since they are not available in the country (Calderón
et al. 2011) [21]. Exportations go mainly to Central America (55%), USA (26%) and the
Caribbean (11%), but there are also local clients, like food producers, to whom products are
usually delivered directly from the plants. The pharmaceutical sector has also presented growth
lately. Some companies of the pharmaceutical industry sector have modified their networks
creating warehouses to cope with the expansion they have experienced. Other sectors such as the
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cement and concrete industries, have incremented the number of warehouses to achieve more
penetration in the country.
It is important to remark that the structural reforms in Costa Rica have been characterized by an
intense attraction of foreign investment by means of free trade zones. Matarrita (2004) [22]
reported that despite that policy, companies of the medical industry, high technology electronics
and various similar services, purchase as little as 7% of their materials within the country while
import more than 70%. Cimoli (2005) [14] reported that only 36% of the national suppliers are
local producers, 47% are intermediaries and 13% are just service suppliers. They conclude that
the attraction of foreign direct investment has increased the total exportation values of the
country but has not established backward chains and has not been able to steer the country to a
cultural transformation. CEPAL (2014) [16] remarks that Latin America is not an important
goods supplier for North American chains and is not even an important importer of relevant
intermediate goods from its own countries.
5.1.2 Transportation Infrastructure Characterization
Most manufacturing companies in the country distribute their products from their plants directly
to clients or retailers, with short delivery frequencies, even daily and more so in the case of
massive consumer products. These delivery practices, which also take place in medium size
companies, have impacts that need to be further studied because even though the territory is
small, the country endures today high levels of occupation in the central plateau, which are
causing high congestion in road transportation. Herrera-Murillo et al. (2014) [23] found that the
vehicle fleet increased uninterruptedly at an annual rate of 13.3% during the period of 2001-2009
and continues with a similar tendency. Private transit has been growing at an annual rate of 8%,
however the road infrastructure has not been upgraded at the same rate, given rise to saturation.
This high transit congestion results in fuel waste, high vehicle operating costs, lost time for users,
and other serious effects. CEPAL/OCDE/CAF (2013) [24] pointed out that Costa Rica is
afflicted by lack of road infrastructure, suitable customs facilities and logistics services, where
transportation constitutes its main weakness, mainly due to the poor condition of the roads. It is
also important to remark that the rail infrastructure for freight is rather old; there is only an
obsolete infrastructure to the Pacific and Caribbean ports of 116 and 163 km, which in the last 20
years has been almost unused and abandon. There have been recent improvement efforts to
reverse this condition but still severe problems need to be resolved. In addition, the irregular
topography of the territory complicates actions for improvement. Moreover, from an economical
perspective, the aspects just mentioned increase goods transportation costs which being elevated
worsen the competitiveness of the country. This issue has even hindered the expansion of
manufacturing plants in the country. Barquero (2014) [25] indicates that Costa Rican companies
add transportation costs to the motives for their expansion out of the country, such as some
recent investments done in Nicaragua. Even more, CONARE (2014) [26] in the State of the
Nation Report revealed that factory owners feel that the main triggers of production costs in the
country are electricity and fuel prices. Osborne et al. (2014) [27] indicate transportation costs are
high in all Central America because fuel costs are high, but also due to security reasons, empty
containers travel, excessive travel time, and insufficient investment and credit for vehicle fleet
modernization. Therefore the circumstances of the country in addition to the operative practices
of companies are a challenge for its sustainability.
Furthermore, transport dedicated to product distribution contributes to contaminating emissions
that affect the population’s health. Ortiz (2011) [28] stressed that congestion and vehicles older
than 18 years are responsible for pollution in the metropolitan area. They indicate that 45% of the
vehicles from years 1993 and older emit 62% of the reactive organic gases and 42% of the
nitrogen oxides. Herrera-Murillo et al. (2014) [23] concluded that transport vehicles are the main
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sources of air pollution especially in urban zones, where 28.1% of the units that use diesel as a
fuel are years 1993 or older, thus lacking means for emissions control.
5.2. Carbon Emissions from Freight Transportation
Three cases were studied and calculations of their carbon emissions were performed.
The first case concentrates on the effects of transit congestion, characterized by poor fuel
performance at low speeds.
The second case concentrates on the effects of freight weight in road transportation.
The third case concentrates on the effects and benefits of rail transportation.
5.2.1. Case 1: Considering a light duty diesel 3 metric ton truck.
If a vehicle travels with a performance (fuel economy) of 10 km per liter, in a 10 km distance it
will require a liter of diesel and the resulting emissions would be: 2.69 kg CO2e.
Villegas and Camacho (2005) [29] research reported an average performance for light freight
trucks in the country of 8.7 km/l in 2004. Thus, for the 10 km distance studied the resulting
emissions could increase to 3.08 kg CO2e, (neglecting the effects of methane and nitrous oxide).
In a more dense traffic scenario the vehicles could experience even a lower performance, for
instance if they were forced to decreased to 5 km per liter, for the same distance, the resulting
emissions would increment to 5.38 kg CO2e.
Now, considering a portion of the General Cañas highway, where Herrera-Murillo et al. (2013)
[23] reported a transit of 90 thousand vehicles on a day in 2011. Applying the above
considerations for a 10 km distance with high congestion, where 20% of the vehicles could have
a performance of 5 km per liter instead of 10 km per liter, where 19% of the fleet are light freight
trucks, and from which 88% use diesel (Villegas and Camacho, 2005) [29] , the total emissions
of this kind of trucks could have been 16.2 ton of CO2e per day rather than 8.1 ton of CO2e if
they would have been able to travel at the desired speed and performance. In addition to these
emissions that affect climate change, other pollutants emitted during combustion degrade the
quality of air, especially those from vehicles years 1993 and older that were not compelled to
incorporate means to diminish them.
Susuki (2010) [30] remarks that fuel consumption is affected by factors such as vehicle speed
and road gradient in addition to distance traveled. Huai et al. (2006) [31] mentioned that several
engine and vehicle parameters such as engine revolutions; load, vehicle average speed and time
while idle affect emissions. Brodrick et al. (2012) [32] reported that higher engine speeds, as
well as higher accessory loading (such as air conditioning) even when trucks are idle, increase
fuel consumption and as such increase their emissions. Therefore for more precise estimations
these additional factors would need to be accounted.
5.2.2. Case 2: Considering a heavy duty 40 metric ton truck.
Costa Rica exports mostly food and agriculture products of low value added. Pineapple
plantations have grown substantially in the last decades and today most of the production is
exported. Pineapples are primarily exported through Limon, the Caribbean Port of the country.
However, they are grown far from the coast and must travel by truck to that port, in some cases
as much as 350 km. Considering that heavy duty 40 ton diesel trucks carry out these deliveries,
and using Villegas and Camacho (2005) [29] performance report for that type of trucks in the
country, (where in the interviews half of the drivers affirmed performances of 1.8 km/l),
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emissions would be of the order of 523 kg CO2e per truck per one way trip. Huai et al. (2006)
[31] states that performances vary year to year, but several studies have used a performance of
2.8 km/l for heavy duty diesel trucks (classes 4 to 8). Similarly, the GHG Protocol emission
factor tables for freight transportation in USA and other regions (taken from EPA) denote
emissions of heavy duty trucks to be based on performances varying from 2.5 to 5km/l.
Consequently, an average performance of 1.8 km/l will be considered applicable in this study,
even though it may be higher or lower depending on the factors previously mentioned.
Considering that most trucks may return empty once delivery is accomplished, in order to pick
up more product, fuel performance should be higher due to the reduction in load over the return
trip, and if all other factors remain similar (slopes, speeds, distance) emissions should be less. It
is important to mention that DEFRA (2012) [33] stated that efficiency changes due to freight
transportation are visible mainly in big trucks. In their study they found that when big trucks are
loaded to their full capacity they have emissions 25% more than when they travel half loaded and
when they are unloaded emissions may be 25% less. Leduc (2006) [34] explains fuel
consumption in heavy duty trucks was found to increase linearly with the load carried. According
to his data fuel consumption incremented 60 to 65% when trucks were fully loaded as compared
to when they were travelling empty. Thus, for the return trip of the truck with the empty
container a fuel performance is estimated in 2.7 km/l, from which the resulting emissions (for the
return trip of 350 km) are 348.7 kg CO2e and thus emissions for the round trip would be about
871.7 kg CO2e.
In 2013 total pineapple exports amounted to 1,939,680 ton (Boeglin, 2015) [35] of which the
production from a plantation in Buenos Aires (Puntarenas) constituted approximately 20%, that
is, about 388 thousand ton. Considering that a typical truck can carry about 18 tons of
pineapples, (with a total weight of some 40 tons, including the weight of the pineapple boxes and
the container of about 3.5 tons) over 21 thousand truck trips would be needed to take the fruit to
port each year. In so doing, they will emit about 19 million ton of CO2e per year including their
return trip to the producer’s plant. Therefore, the need to reduce emissions is quite evident, either
by improving truck’s fuel efficiency, or else by introducing other more convenient transportation
modes. It is important to remark that pineapple transportation has some other issues such as
refrigeration, which must be considered when estimating carbon emissions for the entire supply
chain footprint.
5.2.3. Case 3: Considering intermodal transportation using railroad trains and trucks
Even though in the past (for over 100 years) a railroad system connected the central plateau to
the Atlantic coast, currently the train transports only banana and iron mostly within the coastal
area. The following calculations are aimed to estimate the reduction that could be achieved by
introducing rail transportation for pineapple exports. It will be considered that the freight is taken
all the way to San Jose by truck and from there to Limón by train, figure 1 shows an overall view
of the target locations but not of the actual routes. It is also possible to get the fruit to a closer
point and thus reduce both the truck and train travel distances in about 20 km. A train with a
capacity equivalent to that of 20 trucks will be assumed. The distance from Buenos Aires to San
José is about half of the distance by truck to the Port of Limón (195 km), hence emissions using
heavy duty trucks with a fuel economy of 1.8 km/l following the same procedure presented in
case 2 yield the results shown in table 1. The emission factor for rail transportation given in the
GHG Protocol 2014 is 0.0285 kg CO2/ton-km (for UK) and since the distance from there to the
Port is 163 km, rail travel emissions result in 2090 kg CO2e. The return trip of the train with the
empty containers, involves a smaller load for which emissions are estimated at about 15%, see
table 1. Maximilian and Wilmsmeier (2014) [36] reported a higher emission factor for rail
transportation in Latin America, 0.04 kg CO2/ton-km, which if used increments the emissions in
40%. Table 1 presents all the results.
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Figure 1. Locations considered for case 3
Table 1. Results of carbon emissions (kg CO2e) for different transportation modes, loads and
distances traveled.
Departure
Location Mode
Load carried
(ton)
Arrival
Location
Distance
(km)
Emissions
kg CO2e
(round trip)
Buenos
Aires
1 Truck 1
19
Port of Limon
350 871.7
20
Trucks
380 350 17434
Buenos
Aires
1 Truck 19
City of San
José
195 485.7
20
Trucks
380 195 9714.7
City of San
José
1 Train 2
380
Port of Limon
163 2415.2
1 Train 3
380 163 3390
Notes: 1
Trucks are assumed to have a fuel economy of 1.8 km/l with full load and 2.7 km/l in their return
trip. 2
The emission factor for this train is 0.0285 kgCO2/ ton-km). 3
The emission factor for this train is
0.04 kgCO2/ ton-km.
The carbon emissions result in 12131 or 13104 kg CO2e for the train with trucks option,
depending on the train’s fuel efficiency used. It is more than evident that these emissions are
much lower than the emissions that result for the option where only trucks are used of 17434 kg
CO2e.
Villegas and Camacho (2005) [29] reported that freight rail transportation in Costa Rica, required
in 2004 168368 liters of diesel, transported 254374 ton of product (banana and iron) and traveled
60 550 km. From the total fuel consumption reported, total carbon emissions are estimated to be
453 ton CO2e for that year. The fuel economy from that same data is estimated in 2.78 l/km, and
the average load transported in 260 tons. From the fuel efficiency an emission factor of 7.5 kg
CO2e/km is derived for the train.
It´s important to observe that rail transportation even when combined with trucks results in fewer
emissions, with the data used for this study it is evident that at least a 25% reduction can be
achieved. Therefore a train, even with limitations as depicted here, used as an intermodal
transportation mode, results attractive to lower emissions. There are concerns to be resolved
though, such as the significant difference in altitude between the central plateau and the coast,
but also benefits as the convenience of employing electricity as the energy source for the trains.
Port of Limón
City of San José
Packaging and
plantations of
Buenos Aires
Current route
Proposed route
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5.3. Options for Supply Chain Networks to Achieve Sustainability
Supply chain network design includes decisions from the selection of raw material suppliers,
manufacturing plants location, to product distribution strategies. Decisions that may affect
sustainability in the whole chain and moreover in the products must be taken by each supply
chain actor. Several companies around the world have modified their supply chain networks in
order to improve their sustainability. Nagurney et al. (2013) [37] point out the case of Hennes &
Mauritz (H&M) that identified more than half of their carbon footprint in 2009 was due to
transportation operations and therefore decided to make several changes, they increased direct
transportation and eliminated intermediate warehouses, reduced their overseas and air
transportation in 40%, and incremented rail transport, in so doing they reduced their emissions
significantly. According to the results obtained, a reduction of transportation carbon emissions in
Costa Rica may also be achieved if rail transport is fully refurbished and expanded.
Some supply chain network modifications affecting outbound as well as inbound logistics may
include the creation of warehouses. Warehouses are intermediate links between production
plants and customers (Chopra and Meindl, 2012) [38]. They add operative costs and benefits but
also emissions due to their operation and hence their benefits and disadvantages should be
studied from the economical and environmental perspectives, a task for which the carbon
footprint is a plausible indicator to be considered. Nagurney et al. (2013) [37] showed that the
Sweden groceries chain ICA, modified their operations so that instead of each supplier delivering
directly to each store in a small truck, now products are taken first to a warehouse from which
they are sent as consolidated freight in a bigger truck to each store. Even though they
incremented the freight indicator per kilometer, as the distances traveled are less, they achieve a
reduction of about 20% in emissions. Similarly, González (2014) [39] proposed that Costa Rica
should create new alternatives to improve transport efficiency, such as the design and location of
warehouses for important companies in key zones and according to the characteristics of each
industrial sector. The Industries Chamber of Costa Rica (2013) [40] proposed that industry and
the country as a whole should evolve to a green purchasing policy, that promotes eco efficiency
and value chains, sustainable products, as well as adopt eco design instruments, and cleaner
production. Therefore, the supply chain networks with all the actors and logistics operations
involved has economical, environmental and societal impacts that need to be evaluated together
to increase sustainability.
The following are options for improvement of the supply chain network extracted from this
research and directed to achieve sustainability:
Create warehouse facilities
Close the supply chain loop
Improve logistics operations
Select new suppliers or alternative raw materials.
The above options differ from each other because they affect different actors of the supply chain
and different operations through it. In addition, some may be difficult or even impossible to
achieve, such as finding other suppliers for some raw materials. Others might depend
considerably on the client behavior and culture, such as closing the loop of the supply chain with
the creation of a reverse logistics structure. For that reason it is necessary to consider that a close
loop supply chain could result in not only a difficult goal but even an impossible one, and hence
it may or may not be the optimal condition to achieve sustainability. For instance, many
companies, mainly of the food industry, have observed that their customers use the packages for
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a very short time and have decided to turn to bio degradable packing and now use mostly oxo
degradable packages.
Other decisions such as improving logistics operations and creating links between manufacturing
facilities and clients, with warehouses, are more operational. Warehouses could be subcontract or
shared with other companies. Next figure presents the options in terms of the different actors of
the supply chain they refer to.
Figure 1. Supply chain network modification options
In brief, possible options for sustainability of supply chain networks have to be analyzed under
the particular circumstances of each supply chain, taking into account benefits as well as
limitations, in that sense indicators such as the carbon footprint turn out to be rather useful.
5.4 Challenges to Achieve Sustainable Supply Chains in the Country
Costa Rica must overcome the following challenges in order to achieve sustainability:
-It’s imperative to introduce means to increment value added to products in the Costa Rican
industrial sectors, as well as to establish more links with industries in Central America and
further out.
-Road infrastructure needs to be drastically improved, and railroad facilities must be expanded
and fully refurbished. Provide agile access to Industrial zones. Their development and location
needs to be deeply studied, planed and regulated. The plan of the Industrial Chamber of Costa
Rica (2009) [41] concluded that in order to evolve to a low carbon economy an effective
territorial plan is required for companies and industrial zones, close to transportation roads and in
so doing lower greenhouse gases emissions. Five years later this task has not been achieved
though the country has the goal of becoming carbon neutral by 2021.
-Transportation costs in the country urge to be reduced in order to improve competitiveness, in
addition it is imperative to improve freight transportation, reduce empty truck displacement as
well as travelling time.
-The complexity of the problems demands operative improvements that companies may
undertake by their own to achieve cost reductions, but still some actions must be discussed and
agreed between the industrial sectors and governmental instances due to their scope and
complexity.
Close the loop
Operations
improvement
Alternative
Suppliers
Create
warehouses
Operations
improvement
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6. CONCLUSIONS
Sustainability requires agreement among the economic, environmental and social interests.
Businesses need to look after their profits and capability for expansion of their operations, but
they must protect people and the environment. Several possible options, linked to network and
operations within a supply chain must be analyzed to achieve a sustainable supply chain. A key
factor is the need for more coordination among the actors.
Through several cases of typical product transportation in Costa Rica the effects in carbon
emissions and carbon footprint were evaluated. Even though the calculations are based on data
available from recent years, but perhaps not as complete and up to date as would be desirable, the
results obtained demonstrate how sensitive the emissions are to transportation modes and
efficiencies. For the agriculture product studied, the carbon emissions of transportation may be
reduced when an intermodal transportation is used. In fact the calculations performed show that
regular congestion in important industry highways in the country could increase emissions even
in 75% when traveling across the more dense areas. Combining trucks with the current railroad
infrastructure to the Port of Limón, pineapple transport emissions can be reduced in at least 25%
as opposed to the present use of plain truck transportation.
Reducing carbon emissions from agricultural products exportation transport is highly important
to lessen their overall carbon footprint, to make them more competitive in developed country
markets, and to reduce national total emissions toward attaining carbon neutrality sooner.
However this study shows that there is still much to be done in the country regarding transport
infrastructure and operations, a well-defined emissions reduction plan has yet not been
undertaken.
Although calculations favor rail as the transportation mode there are some other issues to be
resolved such as flexibility, speed, and load capacity, which from the railroad companies’
perspective, need to be further investigated with regard to maintenance and transportation costs
they would have to assume. Obviously, there would be an undeniable need for the participation
of other equally interested parties in the refurbishing and use of the train facilities. Thus actions
to refresh the necessary data and proceed to enforce the corrective measures needed to lower
carbon emissions, as well as to reduce transportation costs, must be fully and immediately
undertaken by government.
It is evident that companies must incorporate carbon emissions calculations in their design
studies for product distribution, freight volume and quantities, fleet routes, and distances that
result from the supply chain network, especially massive consumption product companies. The
value and convenience of using environmental indicators like the carbon footprint in each
analysis is quite clear. Even though it is only an environmental indicator it can also be used to
call attention to aspects that are important for human health.
To analyze the benefits of possible options for a supply chain, mathematical modeling results
indispensable, since there may not be a unique set of conditions to follow, and moreover
strategies may vary according to the supply chain studied.
Finally the actions and challenges highlighted in this research need to be taken into account by
industry and government as a whole.
FUTURE RESEARCH
Other products with different characteristics should be studied more.
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