Review of the Research Program of the Partnership for a New Generation of Vehicles Seventh Report (2001) / Chapter Skim
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Appendix B: The PNGV Response to Recommendations in the Sixth Report
Appendix B: The PNGV Response to Recommendations in the Sixth Report
Pages 100-110
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APPENDIX B The PNGV Response to Recommendations in the Sixth Report loo
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The PNGV Technical Teams will address those areas during their discussions with you at the upcoming 7~ Review. Again we appreciate receiving your valuable analysis as we progress through the challenges of developing the PNGV technologies and advancing toward our goals.
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From page 102... ...
2) RECOMMENDATION: At this stage, PNGV should direct its program toward an appropriate compromise between fuel economy and cost using the best available technology to ensure that a market-acceptable production-prototype vehicle can be achieved by 2004 that meets Tier 2 emission standards.
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RESPONSE: As recommended by the Committee, lithium battery chemistry development aimed at extending life, improving safety and reducing cost, is continuing. The PNGV battery cost and performance targets have been refined periodically, based on (informal)
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89 RECOMMENDATION: The commiffee regards structural crashworthiness, and safety in general, in the design of lightweight PNGV vehicles as extremely important Using the Oak Ridge National Laboratory car-to-car collision simulation capability, the National Highway Traffic and Safety Administration should support a major study to determine how well lightweight PNGV vehicles would fare in collisions with heavier vehicles and to assess potential improvements. RESPONSE: The Safety Working Group (SWG)
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From page 105... ...
PNGV should assess the opportunities and costs for generating hydrogen for fuel cells at existing service stations and storing it on board vehicles and compare the feasibility, efficiency, and safety of this option with onboard fuel reforming. This study would help PNGV determine how much additional effort should be devoted to the development of onboard fuel reforming technologies RESPONSE: We concur with Recommendation #10.
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From page 106... ...
· However, the time required properly develop better models, select appropriate replacements and validate/calibrate these models will likely produce results, assuming success, that would be beyond the time framework that would make them useful to the current PNGV program. Emissions modeling work at ORNL in FY 2000: A methodology is being developed to produce emission control device models based on analysis and reduction of emission data.
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From page 107... ...
Emissions modeling work at ORNL in FY 2001: Work on methodologies to produce emission control device models based on analysis and reduction of emission data continues with the development of a NOX absorber model. Work will begin on developing an algorithm for determining the "state of warmness" of an engine for predicting emissions during cold start.
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From page 108... ...
14) RECOMMENDATION: The Electrical and Electronics Systems Technical Team should closely monitor the progress towards meeting the cost goals of the automotive integrated power module and automotive electric motor drive and update and communicate realistic expectations for costs in 2004 to the systems-analysis team.
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From page 109... ...
The specifications utilized for the Electrical Team contract efforts include this definition. And the System analysis tools, both PSAT and Advisor are capable of detailed simulation and analysis of the accessory system and have been used within the OEM proprietary programs to aid in vehicle synthesis Also the magnitude of the accessory loads influence on the vehicle fuel efficiency was recognized by the Vehicle Engineering team and the resultant work on alternative approaches to minimizing interior thermal losses (loads)
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From page 110... ...
18) RECOMMENDATION: PNGV should undertake a study to assess the opportunities and costs for generating hydrogen for fuel cells at existing service stations and storing it on board vehicles and compare the feasibility, efficiency, and safety of this option with onboard fuel reforming.
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