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Study: Cash-for-Clunkers Programs Should Use Fuel Economy Rather Than Age to Maximize GHG Reductions

Green Car Congress

Cash for Clunkers”) program could maximize greenhouse gas emissions savings by using fuel-economy based eligibility requirements rather than age-based requirements. A minimum age restriction will inadvertently exclude newer, low fuel economy vehicles from participation in the program. Earlier post.).

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UMD collaborative study finds that fuel efficiency of one car in household may be cancelled out by next car purchase

Green Car Congress

While this sounds like an all-too-logical conclusion, the study reports a 57% reduction in the benefits of driving the fuel efficient car for carbon emissions purely based on the purchase of the second vehicle. The data revealed multiple trends that correlate with a decrease in overall fuel economy and efficiency.

Purchase 220
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Study finds that replacement programs that reduce vehicle lifetime can result in increased lifecycle CO2 emissions

Green Car Congress

Empirical results also revealed that even if the fuel economy of less fuel-efficient ordinary passenger vehicles were improved to levels comparable with those of the best available technology, i.e. hybrid passenger cars currently being produced in Japan, total CO 2 emissions would decrease by only 0.2%. Technol. ,

Emissions 218