Transitions to Alternative Transportation Technologies A Focus on Hydrogen (2008) / Chapter Skim
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9 Advantages and Disadvantages of a Transition to Hydrogen Vehicles in Accordance with the Time Lines Established by the Budget Roadmap
9 Advantages and Disadvantages of a Transition to Hydrogen Vehicles in Accordance with the Time Lines Established by the Budget Roadmap
Pages 108-114
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From page 108... ...
report discusses some federal government actions that might Instead this chapter focuses on the broader advantages and facilitate the transition to hydrogen fuel cell vehicles. disadvantages of the transition, assuming it is accomplished Most of this chapter relies on the committee's analysis in accordance with the time line and budget roadmap of to identify the advantages or benefits that would result from Case 1.
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From page 109... ...
offer significant produced, as well as on the higher efficiency of HFCVs relareductions in oil consumption by 2020, but HFCVs are on the tive to conventional gasoline engines. As noted in Chapter path to achieve much more significant savings in the 2035- 6, during the transition period when hydrogen is assumed 2050 time frame, at a time when the rate of improvement in to be produced via reforming of natural gas, the life-cycle oil import reduction due to biofuels and ICE improvements greenhouse gas emissions of HFCVs are still lower than would be slowing.
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Finally, the committee notes that the expenditures (and the use of other key resources such as skilled manpower) made to further a transition to hydrogen fuel cell vehicles also incur Costs real, but somewhat hidden, "opportunity costs" -- that is, as As discussed in Chapter 7, sustained expenditures are a result of being spent on the HFCV transition, these funds required for a successful transition to HFCVs, initially in are not available for any other purpose, so other opportunisupport of technology research, development, and demon- ties for the use of the funds are forgone (Economist, 2007)
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From page 111... ...
Chapter 6 suggest is likely to be the case for several decades beyond the transition, significant amounts of carbon dioxide CONCLUSION captured as part of the hydrogen production process will be emitted to the atmosphere from the production process CONCLUSION: A portfolio of technologies includunless it is sequestered. As discussed in Chapter 3, the most ing hydrogen fuel cell vehicles, improved efficiency of promising option for sequestration is to inject captured CO2 conventional vehicles, hybrids, and use of biofuels -- in into deep geological formations where it is expected to conjunction with required new policy drivers -- has the remain indefinitely.
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112 TRANSITIONS TO ALTERNATIVE TRANSPORTATION TECHNOLOGIES -- A focus on hydrogen REFERENCEs Griliches, Z
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Appendixes
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