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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 Analysis has focused on speeds of 50, 60, 70 and 80 mph. [ 50 to 60 mph.

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Audi announces pricing and fuel economy for 2014 Audi A6, A7 and Q5 TDI diesels

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At the 2012 Los Angeles Motor Show in December, Audi of America announced the significant expansion of its diesel model line-up with the addition of A8, A7, A6, and Q5 TDI diesel models to the Q7 and A3 TDI already on sale in the US. The all-new Audi A3 sedan arriving in 2014, will also be available with a TDI clean diesel engine.

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Chevy’s Cruze Diesel: a compact diesel contender in the US

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The Cruze Diesel is identified by a discreet badge on the trunk. US buyers hunting for a non-premium diesel passenger car (i.e., Accordingly, Volkswagen of America (VoA) diesel sales to date in 2014 represent slightly north of 23% of all Volkswagen of America sales. Fuel economy background. Click to enlarge.

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Mazda unveils CX-60 crossover in Europe; e-Skyactiv PHEV, 48V MHEVs

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liter e-Skyactiv D diesel unit and a 3.0 The e-Skyactiv D diesel unit and the e-Skyactiv X gasoline engine may also be equipped with rear-wheel drive only. It then compensates for any shortfall by braking force generated by the friction brakes, achieving both a natural braking feel and good fuel economy.

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Volvo Trucks North America introduces I-Torque; up to 31% increase in fuel-efficient speed range

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Now available as an option with the latest D13 Turbo Compound engine, the Volvo I-Torque is a unique powertrain solution enabling the truck to operate optimally with up to a 31% increase in fuel efficient speed range, achieving up to 8.5 miles per gallon at 85 mph.

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NREL study finds Class 8 hybrid trucks delivered 13.7% higher fuel economy than conventional diesels in comparable usage

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Laboratory and in-use fuel economy comparison. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. higher fuel economy than the conventional tractors, resulting in a 12% reduction in fuel costs for the hybrids. Source: NREL.

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New 3rd generation Audi TT diesel offers fuel economy of 56 mpg

Green Car Congress

TDI diesel will be available with manual shift and front-wheel drive. The new sports car can accelerate from 0 to 100 km/h (62 mph) in 7.2 seconds and reaches a top speed of 235 km/h (146 mph). Standard fuel consumption is 4.2 seconds, and on up to an electronically governed top speed of 250 km/h (155 mph).

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