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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

The data revealed multiple trends that correlate with a decrease in overall fuel economy and efficiency. It’s not likely that people are actually thinking about fuel economy that way, that they can splurge on a less fuel efficient vehicle. It is more likely utility-based in some way, but it is correlated with fuel economy nonetheless.

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%. —Kagawa et al.

Emissions 218
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Perspective: Drive Star Conversion Program Could Cut US Oil Use in Half by 2020

Green Car Congress

If we can again succeed like that, in a decade, we’ll look back and know that we got a great deal: safer, healthier, better lives, an economy no longer held hostage to petro-dictatorships and blindered, monopolistic companies, and a significant response to climate change. It’s under the hoods of the 250 million vehicles we drive today.

Oil 252