article thumbnail

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.

article thumbnail

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. The all-new Audi A3 sedan arriving in 2014, will also be available with a TDI clean diesel engine.

article thumbnail

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).

Audi 310
article thumbnail

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

Green Car Congress

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.

article thumbnail

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.

article thumbnail

Volkswagen Millerized 1.5 TSI ACT BlueMotion gasoline engine offers diesel-like fuel economy; derivatives may be applied in hybrid systems

Green Car Congress

Volkswagen has developed and deployed a gasoline engine that offers diesel-like fuel economy but is significantly cheaper to buy. TSI ACT BlueMotion delivers 96 kW / 130 PS with combined fuel consumption of 4.8 Currently applied in the new Golf and Golf Variant ( earlier post ), the 1.5 l/100 km (49 mpg US).

article thumbnail

Consumer Reports finds Honda Accord hybrid fuel economy “impressive”, but short of EPA 47 mpg rating

Green Car Congress

Consumer Reports fuel economy tests found the Honda Accord Hybrid delivered impressive overall fuel-economy of 40 mpg (5.88 We’ve found that the EPA tests often exaggerate the fuel-economy of hybrids. —Jake Fisher, director of automotive testing at Consumer Reports. Earlier post.). liter gasoline V6.