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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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New larger 2019 Volkswagen Jetta boosts fuel economy over curren generation

Green Car Congress

The all-new 2019 Volkswagen Jetta, unveiled in January at the North American International Auto Show (NAIAS) in Detroit ( earlier post ) will offer improved EPA-estimated fuel economy for the model: 30 mpg city (7.8 L/100km) and 40 mpg (5.88 L/100km) highway, for a combined 34 mpg (6.91

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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 As soon as the driver lifts his or her foot off the brake, the 1.4-liter

MPG 285
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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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Bentley’s new 616hp 12-cylinder GT Speed convertible with 8-speed and energy recuperation improves fuel economy by 15%

Green Car Congress

Bentley will introduce the new Continental GT Speed Convertible at the North American International Auto Show in Detroit this month. liter W12 combined with a close-ratio eight-speed ZF transmission to deliver a 15% improvement in fuel economy. Provisional EU cycle fuel consumption figures are 22.7 Click to enlarge.

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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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Hyundai introduces hybrid version of new Sonata; 10% improvement in fuel economy over predecessor

Green Car Congress

Hyundai introduced the Hybrid version of the seventh-generation Sonata at the North American International Auto Show in Detroit. Hyundai expects the 2016 Sonata Hybrid to improve fuel economy more than 10%. Sonata Hybrid will be built at Hyundai’s Asan, South Korea assembly plant and will go on sale early this summer.