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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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Ford tweaking calibrations to boost on-road fuel economy for MY2013 hybrids

Green Car Congress

Ford is boosting the on-road fuel economy performance of its 2013 model year hybrid vehicles in the US and Canada. Starting in August, the company will make calibration updates for owners at dealerships designed to improve on-road fuel economy of the 2013 Ford C-MAX Hybrid, 2013 Ford Fusion Hybrid and 2013 Lincoln MKZ Hybrid.

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Consumer Reports testing finds many small turbo engines underperforming; fuel economy, acceleration no better than in larger conventional powertrains

Green Car Congress

Consumer Reports’ own fuel economy tests of vehicles equipped with small turbocharged engines has found in many cases that the turbocharged cars tested by CR have slower acceleration and no better fuel economy than the models with larger conventional engines, the organization said. l/100 km) figures—i.e.,

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New Ford Police Interceptors deliver up to 35% better fuel economy when idling

Green Car Congress

The city and highway fuel economy ratings for the new Ford Police Interceptors (PI) have increased by 25% over the retired Crown Victoria. And, according to Police Fleet Magazine , the typical police vehicle wastes half a gallon of fuel for each hour it idles. The base 3.5-liter Click to enlarge. seconds compared with 9.5

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New Ford Police Interceptors deliver up to 35% better fuel economy when idling

Green Car Congress

The city and highway fuel economy ratings for the new Ford Police Interceptors (PI) have increased by 25% over the retired Crown Victoria. And, according to Police Fleet Magazine , the typical police vehicle wastes half a gallon of fuel for each hour it idles. The base 3.5-liter Click to enlarge. seconds compared with 9.5

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Downspeeding and supercharging with transmission optimization can deliver fuel economy improvement over downspeeding and turbocharging

Green Car Congress

Researchers from Southwest Research Institute (SwRI) and Eaton have demonstrated the application of downspeeding and supercharging a diesel vehicle, in conjunction with optimizing transmission gear ratios and the shift schedule, to deliver a greater improvement in fuel economy than a downsped and turbocharged configuration.

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

Green Car Congress

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. With the same power and torque figures as the A6 and A7 TDIs, the Q5 TDI accelerates from 0-60 mph in 6.5