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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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ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

Green Car Congress

Researchers at Oak Ridge National Laboratory (ORNL) have quantified the fuel economy effects of some common driver practices and vehicle accessories or alterations—including underinflated tires, open windows, and rooftop and hitch-mounted cargo. They presented their results in a paper at SAE 2014 World Congress in Detroit.

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Detroit Diesel Previews its 2010 BlueTec SCR Technology; 5% Improvement in Fuel Economy

Green Car Congress

Detroit Diesel, a Daimler company, previewed its production-intent version of Daimler’s BlueTec technology for emissions control at the Technology and Maintenance Council (TMC) Conference. When compared to non-SCR technologies planned for use in 2010, the Detroit Diesel BlueTec technology will deliver even greater fuel economy advantage.

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Volkswagen to intro Passat BlueMotion Concept at Detroit show; 4-cylinder with cylinder deactivation; 42 mpg highway

Green Car Congress

Volkswagen of America will introduce the Passat BlueMotion Concept at the 2014 North American International Auto Show in Detroit next week. In this case, the Passat BlueMotion Concept has a manufacturer-estimated highway fuel economy of 42 mpg (5.6 l/100 km), best-in-class among non-hybrid, gasoline-engined mid-size sedans.

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2014 Cascadia Evolution Class 8 rig delivers 10.67 mpg on closed-track demo; 7% better fuel economy than EPA 2010 Cascadia in cross-country tour

Green Car Congress

The Freightliner Trucks 2014 Cascadia Evolution—powered only by the newly designed Detroit DD15 engine and featuring enhanced aerodynamic specs—delivered fuel economy of 10.67 mpg US (22 L.100km) 100km) on a closed-track demo, according to Freightliner. Freightliner Cascadia Evolution. Click to enlarge.

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New Detroit DT12 transmission contributes to enhanced fuel efficiency and performance for heavy-duty trucks

Green Car Congress

Detroit Diesel Corporation, a Daimler company, is showcasing its DT12 automated manual transmission for heavy duty trucks. Part of the Detroit complete powertrain offering, the DT12 combines the operational ease of an automatic with the efficiency of a manual transmission, resulting in enhanced fuel economy, vehicle performance and safety.

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University of Michigan Report Finds Focus on Fuel Economy Would Be Very Profitable for Detroit 3; Says Rapid, Wide-Reaching Change in Business Models Required for Turnaround

Green Car Congress

According to the study, higher fuel economy standards would benefit the Detroit 3 automakers the most. According to the report, “Fixing Detroit: How Far, How Fast, How Fuel Efficient?” The chance that increased profits could exceed $6 billion is 18% if fuel economy standards were increased to 40.4