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

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

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The demonstrator will be present at the upcoming SAE 2014 High Efficiency IC Engine Symposium in Detroit in April; SwRI engineers are presenting a paper (2014-01-1190) at the SAE 2014 World Congress on the development of the demonstrator’s engine. In 2013, SwRI reported a 2.0-liter

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Chevron introduces new category of heavy-duty motor oil for severe duty applications; improved fuel economy

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Improved fuel economy over SAE 15W-40 conventional oils. Tests show comparable fuel economy to SAE 10W-30 in (Class 6) stop-and-go applications and up to 0.7 % fuel economy improvement with long haul trucks (Class 8) when compared to a SAE 15W-40 oil.

Chevron 210
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ACCESS project targeting 30% improvement in fuel economy and SULEV emissions in light-duty gasoline engine; multi-mode SI/HCCI combustion

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The A dvanced C ombustion C oncepts— E nabling S ystems and S olutions (ACCESS) is developing advanced combustion control concepts along with with an enabling system, subsystem and component level solutions for the management of multi-mode/multi-fuel combustion events. HCCI range extension with boosting. Source: Bosch. Click to enlarge.

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Pinnacle 4-stroke opposed-piston SI engine shows fuel economy improvements of between 30-60% at light loads, 12-30% at medium loads over conventional

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The company presented these latest test results in a paper at the SAE 2012 World Congress in Detroit. The test engine for the paper was a 250cc single-cylinder unit with dual-camshaft-actuated reciprocating sleeve valves for induction and exhaust. Compression ratio was set at 15:1, and the fuel used was 87 octane gasoline.

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