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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. liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5

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Toyota implements Atkinson cycle in non-hybrid ESTEC engine; up to 38% thermal efficiency and improved fuel economy

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Further, at low loads, the ESTEC engine improves fuel consumption by 11% in the JC08 mode. Improving the vehicle fuel economy is a must due to the climate change and energy issues. The combination of these (with the modified exhaust manifold producing the bulk of the recovery), brought torque up to 105 N·m.

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Stellantis Hurricane twin-turbo I-6 cuts emissions, increases fuel economy and is more powerful

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liter, twin-turbo, inline, six-cylinder engine, named Hurricane, that delivers better fuel economy and fewer emissions than larger engines while at the same time generates more horsepower and torque than many competitors’ naturally aspirated V-8 and boosted six-cylinder power plants. 1 compression ratio and uses 91 octane premium fuel.

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DOE awards $17M to FY 2014 SBIR Phase II projects; includes Si/graphene anodes, motor windings, exhaust treatments

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The selected projects include 6 vehicle-related technologies and 2 hydrogen and fuel cell technologies, as well as new hydropower, heat pump, solar and manufacturing technologies. Hybrid Electric Turbocharger for Exhaust Energy Recovery and Transient Lag Reduction. A Novel Exhaust after Treatment Catalyst. Description.

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FEV analysis of automotive-scale Pinnacle opposed-piston engine finds potential for significant increases in fuel economy

Green Car Congress

An analysis by FEV of a modeled automotive scale version of Pinnacle’s 4-stroke, spark-ignited (SI), opposed-piston, sleeve-valve architecture engine ( earlier post ) concluded that the engine has the potential to deliver significant additional fuel economy benefits of up to 42.6% Fuel economy. —FEV analysis.

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New 3.7L and 5.0L V8 Engines in Ford 2011 F-150 Full-Size Pickup Deliver Class-Leading Fuel Economy

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Each engine is mated to a fuel-saving six-speed automatic transmission. Ford is the only manufacturer to equip its entire full-size pickup lineup with six-speed gearboxes as standard. A one-way clutch, which allows for smoother 1-2 and 2-1 shifts, faster downshifts and improved fuel economy, has been added. liter V6, 5.0-liter

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New 2011 Ford F-Series Super Duty Improves Fuel Economy Up to 25% with New Diesel and 15% With New Gasoline Powertrains; New Transmission Plays Key Role in Improved Economy

Green Car Congress

Ford’s all-new 2011 Ford F-Series Super Duty trucks are equipped with new diesel and gasoline engine powertrains that deliver improvements in torque, horsepower and fuel economy. liter V-8 gas engine average a 15% improvement in fuel economy versus 2010 models. Trucks equipped with the new base 6.2-liter Click to enlarge.