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Electric Vehicle University - 310a BEVS VS. FCEVS
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Electric Vehicle University - 310c BEVS VS. FCEVS

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THE CENTRAL QUESTION ...
What are the differences, the advantages and the architectures that must be understood to understand BEVs and fuel cell electric vehicles?

COURSE ABSTRACT
Fuel cell technology and vehicles are presented. The pros and cons of fuel cells as an alternative to grid-based electrical energy is considered. Technology, vehicles, fueling, and environmental impact are addressed. To obtain a copy of the EVU study guide for this and other available EVU courses, please complete the form on this page.

Course level: Advanced

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Electric Vehicle University - 310c BEVS VS. FCEVS

  1. 1. 1
  2. 2. 2 Fuel Cell Electric Vehicles, part 3 EV-310c This course is presented as part of Evannex University—a free, open learning environment that presents concise, video-based mini-courses for those who have interest in electric vehicles (EVs) …
  3. 3. demand vehicles with low mileage." Some claim that in the short term, FCEVs are “compliance cars”—designed to meet CA minimum sales requirements and nothing more Under CA ZEV regulations, manufacturers get credits for plug-in vehicles. They can use those credits to offset the sales of less efficient ICE vehicles, thereby gaining unfettered access to the CA car market 3
  4. 4. The Debate—II Others argue that the “well to wheel” environmental cost for FCEVs is substantially greater than BEVs Energy expended on H2 production and refining Energy expended on H2 transportation Energy expended on H2 storage considerably fewer extraction, refining, transportation and production costs associated with grid-based power 4
  5. 5. The Debate-III Safety is an issue if hydrogen leaks from its tank and meets with air a spark ignites an explosion To ensure safety, significant regulation of fueling stations and vehicles must be implemented 5
  6. 6. Questions GreenCarReports.com provides: 10 questions for FCEV manufacturers comparisons with BEVs infrastructure and energy issues projected sales Government (the CA Fuel Cell Partnership) and Manufacturer (Toyota, Honda and Hyundai) responses See: http://www.greencarreports.com/news/10948 99_10-questions-on-hydrogen-fuel-cell-cars-to- ask-toyota-honda-hyundai 6
  7. 7. Sample Question—EV Comparison The main advantage of hydrogen vehicles is that they can refuel for 300 miles in less than 10 minutes … If an affordable battery-electric car in 2020 offers 250 miles of range and can recharge to 80 percent in, say, 12 to 15 minutes-- then how much of an advantage will hydrogen fuel-cell cars retain? “Saying that you can't compare today's fuel-cell cars to hypothetical future electric cars is fair, certainly. But none of the four respondents actually answered the question we posed: If future DC fast-charging brings "refueling time" for battery-electric cars closer to that of hydrogen vehicles, is there still an advantage?” Green Car Reports “Fuel-cell makers thus seem to be saying, to one degree or another, that we may see a split among zero-emission vehicles: battery-electrics in the smaller segments, hydrogen power for the larger light trucks that American buyers like so much.” Green Car Reports 7
  8. 8. Sample Question—Infrastructure and Energy The wells-to-wheels footprint of a hydrogen-fueled vehicle appears to be generally worse than that of an electric car … That appears to imply that among the broad range of zero-emission vehicles, hydrogen vehicles have a higher carbon footprint than electric cars. How do you overcome this? “Hydrogen vehicles can be as low-carbon as battery-electric vehicles under some circumstances. And it appears that the few thousand that will appear on the roads of Southern California within two or three years may well hit that mark, as they will in some other locations--including Germany.” Green Car Reports “To make that the case, however, requires that the hydrogen fuel be produced using a far higher proportion of renewable energy than is used in the average grid mix anywhere in the U.S.” Green Car Reports 8 Source: GreenCarReports.com
  9. 9. Sample Question - Sales Will your hydrogen fuel-cell car be delivered in numbers any greater than the minimum required by the California Air Resources Board's ZEV rules … ? By 2020, BEVs and PHEVs will be 1 percent of the world market When will FCEVs be a significant player? 9 Source: GreenCarReports.com
  10. 10. The Future The success of FCEV will be determined by the investment made in R&D by manufacturers and in fueling infrastructure by third parties It many very well be that FCEV may become an important option for large vehicles—e.g., light trucks, SUVs The environmental costs of production, refining, transportation and storage must be reduced. 10
  11. 11. 11 … a free study guide for all EVU mini-courses is available for download from our website … For a complete list of mini- courses and the study guide, visit: www.evannex.com

THE CENTRAL QUESTION ... What are the differences, the advantages and the architectures that must be understood to understand BEVs and fuel cell electric vehicles? COURSE ABSTRACT Fuel cell technology and vehicles are presented. The pros and cons of fuel cells as an alternative to grid-based electrical energy is considered. Technology, vehicles, fueling, and environmental impact are addressed. To obtain a copy of the EVU study guide for this and other available EVU courses, please complete the form on this page. Course level: Advanced

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