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In-use emissions report for Achates heavy-duty OP diesel shows substantial margin to most stringent EPA NOx proposed regulation

Green Car Congress

In addition, the Environmental Protection Agency (EPA) recently released its proposed rule to lower NO x emissions levels for commercial vehicles across the entire United States. Option 1 from EPA is similar in many respects to the CARB regulation. Earlier post.) Before entering fleet service, the 400 hp, 10.6L

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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

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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 larger 2019 Volkswagen Jetta boosts fuel economy over curren generation

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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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FCA receives EPA, California ARB approval for production and sale of MY 2017 3.0L diesels

Green Car Congress

FCA US has received a certificate of conformity from the Environmental Protection Agency (EPA) and a conditional executive order from the California Air Resources Board (ARB), permitting the production and sale of FCA US 2017 model-year light-duty Ram 1500 and Jeep Grand Cherokee vehicles equipped with 3.0-liter liter diesel engines.

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

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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%

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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. The Continental GT Speed Convertible. The Continental GT Speed Convertible.

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Honda to unveil prototype of Gen 3 Insight hybrid at Detroit show; two-motor hybrid system

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Honda will unveil the Honda Insight Prototype at the 2018 North American International Auto Show in Detroit in January as the precursor to the new third-generation 2019 Honda Insight—an upscale, stylish five-passenger sedan positioned above the Civic in Honda’s passenger car lineup.

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