Alternative Fuels Fleet Fuel Tax United States 
Green Car Congress
FEBRUARY 21, 2013
In a study published in the journal Energy Economics , MIT researchers have found that a fuel economy standard is at least six to fourteen times less cost effective than a fuel tax when targeting an identical reduction in cumulative gasoline use (20% by 2050). —Karplus et al. Paltsev, M. Babiker, J.M. 2012.09.001.
Green Car Congress
JUNE 15, 2011
Advanced combustion technologies alone could reduce CO 2 tailpipe emissions by 40% from current average levels for new-vehicle fleets of 250 to 270 grams per kilometer (g/km) in the United States, 150 to 170 g/km in Europe, 130 to 140 g/km in Japan, and 200 to 215g/km in China, according to the analysis. The consumer.
Green Car Congress
JUNE 25, 2013
The plan as outlined also calls for further work on advanced biofuels, advanced batteries and fuel cell technologies in every transportation mode. In coming months, the plan notes, the Department of Transportation will work with other agencies to further explore strategies for integrating alternative fuel vessels into the US flag fleet.
Green Car Congress
MARCH 16, 2016
Achieving our overall goal—reducing fleet fuel and energy consumption and GHGs by three-quarters or more—will be extremely challenging. In the United States, LDVs alone currently account for 43% of petroleum demand and 23% of GHG emissions, when fuel production is considered. —John Heywood.
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