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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. They presented their results in a paper at SAE 2014 World Congress in Detroit.

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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 drop in fuel economy due to traveling 80 mph rather than 70 mph.

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Land Rover bringing two diesel SUVs to N. America; 32% better combined fuel economy, up to 28 mpg on highway; LEV 3

Green Car Congress

Land Rover will offer the option of diesel powertrains in two 2016 model year luxury SUVs: the Range Rover and Range Rover Sport. The Range Rover Td6 and Range Rover Sport Td6 SUVs will deliver 25 mpg (9.4 l/100 km) combined, a 32% improvement over the supercharged V6, and reach a high of 28 mpg (8.4

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2014 Jeep Grand Cherokee offers new 3.0L EcoDiesel V-6 and 8-speed for 30 mpg highway

Green Car Congress

Among the many features of the new 2014 Jeep Grand Cherokee—introduced at the Detroit Auto Show—two in particular contribute to significantly improved fuel economy and driving performance: an optional new 3.0-liter That powertrain delivers 30 mpg (7.8 liter V-8, now achieving up to 21 mpg highway.

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Honda introduces all-new 2015 Fit at Detroit; more fuel efficient, with new 1.5L VTEC

Green Car Congress

Honda unveiled the all-new 2015 Fit at the North American International Auto Show in Detroit. With an annual capacity of 200,000 units, the facility will begin mass production of the 2015 Fit next month, adding production of an all-new small Honda SUV later in the year. Click to enlarge. and wider (+0.3 with a longer wheelbase (+1.2

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Acura introduces three new vehicles at Detroit show; two hybrid powertrains

Green Car Congress

Shown as a prototype version of the 2013 RDX, the second generation of Acura’s five-passenger crossover SUV will feature a new engine, transmission and all-wheel drive system. For higher performance and improved fuel economy, the RDX makes use of a 6-speed automatic transmission with a new lock-up torque converter. L/100km).

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2017 Jeep Grand Cherokee qualifies for Japan’s Eco-Car tax tncentive

Green Car Congress

The 2017 Jeep Grand Cherokee mid-size SUV has become the second gasoline-driven, US-made, US-brand vehicle to qualify for Japan’s Eco-Car tax break. Among the key elements of the upgraded 213-kW (295-horsepower) is two-step variable valve lift (VVL), which boosts fuel economy and Pentastar’s refinement. mpg US, 10.4

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