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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. The compact sedan, a 2009 Toyota Corolla with a 1.8-liter l/100 km).

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GM Testing Indicates 2010 Chevrolet Equinox Will Offer Best-In-Segment Highway Fuel Economy of 32 mpg

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liter I-4 engine will offer an EPA estimated 32 mpg on the highway and 22 mpg city. The 2010 Equinox will likely carry a 32 mpg highway rating. At 32 mpg, the 2010 Equinox will offer best-in-segment highway fuel economy and have a highway driving range of up to 600 miles. Click to enlarge. Click to enlarge.

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2011 Highlander Hybrid Equipped with Larger Engine, Improved Fuel Economy

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liter V6, while also improving fuel economy. The 2011 Highlander Hybrid receives EPA estimated fuel economy ratings of 28 mpg city and 28 mpg highway (8.4 The 2010 Highlander Hybrid carries an EPA fuel economy rating of 27 mpg city, 25 mpg highway.

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Mazda to Debut Next-Generation Direct Injection Gasoline and Diesel Engines, Transmission and Kiyora Concept at Tokyo Motor Show 2009

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liter version of the new SKY-G gasoline direct injection engine and achieves fuel economy of 75 mpg US on the Japanese 10-15 cycle. L/100km or 75 mpg US). Mazda SKY-G is a next-generation direct injection gasoline engine with significantly improved fuel economy and output performance due to enhanced thermal efficiency.

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Daimler Trucks NA SuperTruck achieves 115% freight efficiency improvement over 2009 baseline; 50.2% engine BTE

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These tests resulted in the combined 115% freight efficiency improvement over a 2009 baseline truck. mpg (19.26 mpg (19.26 The Freightliner SuperTruck features a low-back-pressure, next-generation aftertreatment system that efficiently removes NO x from the exhaust stream. engine brake thermal efficiency.

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New Ford Focus ECOnetic with Start-Stop Targets 62 mpg US, 99 gCO2/km

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At the 2009 Frankfurt Motor Show, Ford of Europe introduced the new 2010 Focus ECOnetic. When equipped with a new optional Ford Auto-Start-Stop system that was previewed on the Ford iosis MAX Concept at the 2009 Geneva Motor Show, the 2010 Focus ECOnetic is targeting average combined cycle fuel consumption of 3.8L/100km

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BMW Technology Day 2009: Focus on Aerodynamics, Two New Engines and 8-Speed Transmission

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liter gaosline engine combines turbocharging, direct fuel injection and VALVETRONIC for the first time. For its Technology Day 2009 in Germany, BMW focused on describing its work with aerodyanmics, engines and transmissions in the context of its EfficientDyanmics development strategy. Click to enlarge.

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