The document discusses alternative fuel sources and their uses as more sustainable options compared to fossil fuels. It notes that fossil fuel reserves will be depleted within 200-300 years for coal and a few decades for petroleum. As such, alternative fuels like hydrogen, biodiesel, ethanol and biomass are important to research and develop. Hydrogen can be extracted from water and power fuel cells or engines. Biodiesel is made from plant oils and animal fats and has similar performance to diesel. Ethanol is produced through fermentation and used in vehicles. Biomass from waste can be converted to energy through anaerobic digestion and used for heating. Overall, alternative fuels are more environmentally friendly and help conserve natural resources

1. ALTERNATIVE FUEL & THEIR USES

2. INTRODUCTION
 The increase in energy consumption
particularly in the past several decade
has raised fears of exhausting vital
natural resources
 Rapid industrialization and massive
growth in population has increased
the dependence and use of natural
fuels
 Approximately 90% of our energy
requirement are met by fossil fuels

3.  Studies suggest that if exploited at the
same rate, the coal reserves will
deplete in the next 200-300 years and
petroleum deposits will deplete in the
next few decades.
 So, it is important for us to engage in
research and development of
alternative fuels s we may not face
scarcity of natural resources in the
future.

4. Alternative Fuel Sources
 Hydrogen
 Biodiesel
 Ethanol
 Biomass

5. Hydrogen
 Clean source of fuel
 Extracted by electrolysis of H2O
 Helps lower CO2
emissions
 End product is H2O

6. Uses
 Widely used for rocket
engines
 Used in Internal Combustion
Engines when mixed with
natural gas
 Used extensively in
fuel cells

7. Biodiesel
 Clean burning alternative fuel
source
 Derived from Soy beans and animal
fats
 Has same vehicular
performance as Diesel
 Completely renewable fuel
source

8. Uses
 Popularly used in vehicles and
power generators

9. Ethanol
 Is a renewable energy source
 Can be produced from variety of
feedstock such as sugar cane ,
potatoes , sweet potatoes , molasses
, corn , etc.
 Mostly produced by
Fermentation
 Is a particulate _ free burning fuel
source

10. Uses
 Most commonly used to power
automobiles
 Additive for gasoline

11. Biomass
 Is the most important source
for energy productions
supplied by agriculture
 Is a “carbon lean’’ fuel
producing a fraction of the
Carbon emissions of fossil
 Anaerobic digestions converts biomass,
especially waste product such as
municipal solid waste and market waste

12. Uses
 Can offer local business
opportunities and support the rural
economy
 Can be used as a domestic
fuel
 Used for boilers

13. Conclusion
 The alternative fuel sources are
environment friendly as compare to
fossil fuels.
 By using alternative sources we can
reduce Air pollution , which is cause of
many deadly diseases.
 Using alternative fuel helps diminish
Global Warming.

14.  Throughout the year these sources are
available without affecting the
Environment.
 Helps conserve natural resources.

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