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NRC report finds significant number of near-term technologies could greatly reduce fuel consumption in passenger cars

Green Car Congress

This approach allows automobile manufacturers to create packages of technologies that can be tailored to meet specific cost and effectiveness targets, as opposed to developing diesel or full hybrid alternatives that offer a single large benefit, but at a significant cost increase.

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NHTSA Modeling and Technology Projections Underlying the Proposed CAFE Target of 34.1 mpg by MY 2016

Green Car Congress

The two agencies are continuing with their analysis, and will incorporate the upcoming National Academies update of the 2002 NAS Report, which presents technology effectiveness estimates. Turbocharging and downsizing: 26% for cars, 15% for trucks. This reduces pumping losses at lighter loads in comparison to a larger engine.

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