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ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

This website, jointly maintained by the US Department of Energy and the US Environmental Protection Agency (EPA), provides information such as official EPA “window label” fuel economy estimates for city, highway, and combined driving for all U.S.-legal drop in fuel economy due to traveling 80 mph rather than 70 mph.

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EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

Green Car Congress

MY 2012 adjusted fuel economy is 23.6 mpg fuel economy improvement from MY 2011 to MY 2012 is the second largest annual improvement in the last 30 years. l/100 km) fuel economy, which, if achieved, will again represent all-time records. Click to enlarge. l/100 km), which is 1.2 mpg, or 22%. Click to enlarge.

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Chrysler Group LLC Begins Detailing Elements of Powertrain Strategy; More Than 25% Fuel Efficiency Improvement During 2010-2014

Green Car Congress

Chrysler Group LLC provided some more detail on its revamped powertrain lineup—outlined in November 2009 ( earlier post )—that applies technology that will contribute to an overall fuel-efficiency improvement of more than 25% during the 2010-2014 period. Another addition to the Chrysler Powertrain lineup is the new 2.4-liter,

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