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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. 50 to 60 mph.

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GM: new Sierra 5.3L V-8 EcoTec3 highway fuel economy tops Ford EcoBoost V-6

Green Car Congress

In addition to highway fuel economy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L 2WD Pickup truck fuel economy comparisons. In addition to highway fuel economy estimates that are 2 mpg higher than a 2013 Ford V8 pickup equipped with a 5.0L Fuel economy. 2013 Ford F-150.

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Hagens Berman files class-action fuel economy and emissions lawsuit against Fiat Chrysler and Cummins over SCR defect in RAM 2500 and 3500 diesels

Green Car Congress

The defect leads to lower fuel economy, non EPA-compliant emissions levels, and costly and frequent vehicle repairs, the complaint charges. This reduces the truck's fuel economy, according to the complaint. The affected vehicles are the 2013-2017 RAM 2500 with Cummins diesel (2WD, 4WD) and.

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Chevrolet introduces 2013 Malibu ECO with eAssist

Green Car Congress

Chevrolet has introduced the 2013 Malibu ECO, its most fuel-efficient midsize sedan yet. engine features dual-overhead cams, direct injection, continuously variable intake and exhaust timing and electronic throttle control, as well as a lightweight aluminum cylinder block and cylinder head. Chevrolet Malibu ECO PowerFlow screen.

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Nissan unveils 2013 Altima Sedan; 38 mpg highway

Green Car Congress

2013 Altima. The Altima ranked as the second best-selling car in the US in 2011; the redesigned 2013 Altima Sedan goes on sale at Nissan dealers nationwide in July at a starting MSRP of $21,500. The 2013 Altima equipped with the 4-cylinder, 2.5-liter The 2013 Altima equipped with the 4-cylinder, 2.5-liter

MPG 230
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SwRI develops D-EGR demonstrator highlighting fuel-efficient, cost-effective engine; 10% and above fuel economy improvements

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Southwest Research Institute (SwRI) has built a demonstrator vehicle, based on a 2012 Buick Regal GS, incorporating the latest D-EGR (dedicated EGR) technology ( earlier post ), an outgrowth of SwRI’s HEDGE (High Efficiency Dilute Gasoline Engine) consortium projects ( earlier post ). In 2013, SwRI reported a 2.0-liter

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Environment Canada/MECA team assesses black carbon emissions in GDI engine exhaust; evaluation of prototype gasoline particulate filter

Green Car Congress

In addition, the inhomogeneity of the fuel mixture under stratified operation in GDI engines during the compression stroke tends to contribute to higher particulate emissions compared to the exhaust emissions from traditional PFI engines. The two compact vehicles were a 2012 2.0L —Chan et al. The midsize sedans were a 2011 2.4L