Review of the U.S. Department of Energy's Heavy Vehicle Technologies Program (2000) / Chapter Skim
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Introduction
Introduction
Pages 6-13
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From page 6... ...
Thus, eliminating diesel engines would not have an enormous impact on gasoline consumption for light trucks, but the inability to use higher efficiency diesel engines to replace gasoline engines would be a lost opportunity for improving fuel efficiency for light trucks.
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From page 7... ...
Improved fuel economy would help heavy-duty trucks to compete in the very price-sensitive freight hauling market, in which the cost of fuel affects truck operating expenses significantly. The recent rise in fuel prices has focused attention on how actions by the Organization of Petroleum Exporting Countries (OPEC)
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From page 8... ...
Current emission standards differ for different vehicle weights, but Tier 2 standards will eliminate these differences and reduce vehicle emissions by as much as 95 percent. The Tier 2 standards treat vehicles and fuels as a system and apply the same emissions standards to all light-duty vehicles and light-duty trucks.
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From page 9... ...
are based on engine dynamometer tests, whereas emission standards (mass per mile) for automobiles and light trucks are based on vehicle dynamometer tests.
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REVIEW OF THE U.S. DEPARTMENT OF ENERGY'S HEAVY VEHICLE TECHNOLOGIES PROGRAM TABLE 1-3 Heavy-Duty Truck Engine Emission Standards (g/bhp-h)
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From page 11... ...
However, the committee wishes to highlight the ways in which the initiative is relevant to OHVT. First, the technical goals of the 21st Century Truck Initiative parallel those of the OHVT program (i.e., the intent of the new initiative is to produce knowledge and technical developments to improve future fuel economy and meet low emission standards)
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From page 12... ...
It will examine goals, objectives, strategy for program implementation, program activities which duplicate or overlap activities conducted by other organizations, and whether there are activities which, based on the program goals, should be included in the program but have been omitted. The committee will also consider and comment on: the program's balance among the three program elements (Vehicle Technologies, Fuels Utilization, Material Technologies)
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From page 13... ...
Army Tank Automotive Command, to the Committee on Review of DOE's Office of Heavy Vehicle Technologies, National Academy of Sciences, Washington, D.C., April 26, 2000.
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