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Researchers propose evaluating alt fuel efficiency based on energy rather than volume; impact of ethanol on vehicle efficiency and GHGs

Green Car Congress

In a policy analysis in the ACS journal Environmental Science & Technology , researchers from the Universities of Cambridge, Exeter and Oxford argue that, due to the increased emphasis on alternative fuels with drastically differing energy densities, vehicle efficiency should be evaluated based on energy rather than volume.

Fuel 210
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Mixed Outlook for Mainstream Consumer Adoption of PHEVs

Green Car Congress

The competition against PHEVs in 2030 is likely to incorporate a radically downsized, boosted direct-injection engine; an automated manual or 7-8 speed automatic transmission; advanced tires with C R at 0.006 or below; a 30% weight reduction on the glider; advanced aerodynamics with C D of 0.22 Tax the fuel.” Steven Plotkin.

PHEV 150
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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

"However," he continued, "If carmakers decide not to take advantage of this offer, AFS Trinity intends to raise the funds to begin modifying existing hybrids or manufacture its own 150 mpg SUVs and, eventually, 250 mpg sedans. We believe such production models could be available for sale in three years."Furia

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