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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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Fuel Economy Keeps Rising: 24.6 MPG In March

Green Car Reports

will sound a little poor in comparison. But that''s the average economy of all cars, light trucks, minivans and SUVs purchased in the U.S. If you''re used to driving around in a Prius then average miles per gallon of 24.6 in March--and it''s an all-time high.

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National Research Council Study Finds That Available Technologies Can Result in Significant Fuel Savings for Passenger Vehicles Over the Next 15 Years, But at Higher Purchase Prices for Consumers

Green Car Congress

Various combinations of commercially available technologies could greatly reduce fuel consumption in passenger cars, sport-utility vehicles, minivans, and other light-duty vehicles over the next 15 years without compromising vehicle performance or safety, according to a new report by the National Research Council.

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Achates Power building 2.7L opposed-piston light-duty engine; exceeding CAFE 2025, Tier 3 targets at lower cost

Green Car Congress

liter compression-ignition OPE will will be 30-50% more fuel efficient than comparable diesel and gasoline direct injection engines, reduce emissions and cost less than alternative technologies under development for meeting 2025 CAFE fuel economy and Tier 3 emission targets. A comparison between the 2.7L Earlier post.).

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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

The primary goal is leveraging combined powertrain and vehicle knowledge to achieve best-in-class fuel economy for both companies. liter WGE features Fiat’s Multiair technology that will improve fuel economy and specific-power output. In comparison with its predecessor, the 2.4-liter New Four-cylinder Engines.

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