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

Green Car Congress

A start-stop system is a standard feature. 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 TDI meets the Euro 6 standard.

Audi 310
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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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Tips: 6 Ways to Increase Your Fuel Economy

Clean Fleet Report

But how can you increase your fuel economy? Surprisingly, the number of items you carry in your vehicle can have a meaningful impact on your fuel economy. While it does cost a bit to have your car checked over by a mechanic, regular maintenance will improve your fuel economy and help you catch problems before they occur.

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BMW upgrading 1 and 3 Series models with focus on fuel economy and emissions; BMW 114d to debut with 1.6L diesel

Green Car Congress

Too, the BMW 320i EfficientDynamics Edition Sedan will be available as the first gasoline-driven model with additionally enhanced technology for reducing fuel consumption and exhaust emissions. In future, there will be a choice of four diesel and two gasoline engines for the new BMW 3 Series Touring. New entry model: The BMW 114d.

BMW 225
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Mercedes-Benz previews new GLA compact SUV; fuel economy as high as 54.7 mpg in diesel version

Green Car Congress

ECO stop/start is standard. liter diesel variants. The GLA 200 CDI develops 100 kW (136 hp) and maximum torque of 300 N·m (221 lb-ft), with fuel consumption of 4.3 m 2 the frontal area Cd x A, which decisively affects fuel consumption from around 60 km/h, is likewise a top figure. Earlier post.) l/100 km (54.7

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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.