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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. liter four-cylinder engine, also suffered as its fuel economy dipped 22% from 42.5

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GM to introduce strong hybrid version of Malibu; combined fuel economy above 45 mpg; leverages Volt

Green Car Congress

Using technology from the 2016 Chevrolet Volt propulsion system ( earlier post ), Malibu Hybrid will offer an estimated combined fuel economy rating exceeding 45 mpg (5.22 EGHR improves engine warm up and assures consistent fuel economy performance in cold weather. engine with start/stop. An 80-cell, 1.5

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2020 Hyundai Accent improves by 4 mpg on most models with switch to dual port injection engine and IVT

Green Car Congress

These changes increase Accent’s EPA estimated fuel economy to 33 mpg city, 41 highway, 36 combined, up considerably from the 28 city, 38 highway, 32 combined mpg rating with last year’s 1.6-liter DPI engine include: Fuel injection at the intake stroke decreases wall wetting for improved fuel economy and reduced emissions.

MPG 220
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New 2013 Nissan Sentra delivers 34 mpg combined fuel economy, up to 40 mpg highway

Green Car Congress

liter engine and next-generation Xtronic CVT with sub-planetary gear, offers combined fuel economy of 34 mpg (6.9 The lighter and more aerodynamic new Sentra allows Nissan to use the more fuel-efficient 1.8-liter With the FE+ models, Sentra achieves up to 40 mpg (5.88 Fuel economy is rated at 30 mpg (7.84

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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. Standard fuel consumption is 4.2 liters per 100 km (56 mpg US), which translates into CO 2 emissions of 110 g/km (177 g/mile). Standard fuel consumption is 4.2 liters per 100 km (56 mpg US), which translates into CO 2 emissions of 110 g/km (177 g/mile).

Audi 310
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Stop/start to be standard with V-6 in Jeep Cherokee and I-4 in 2015 Chrysler 200; up to 3% better fuel economy

Green Car Congress

Chrysler Group is offering fuel-saving Engine Stop-Start (ESS) technology as standard equipment on certain models of the award-winning 2015 Jeep Cherokee mid-size SUV and 2015 Chrysler 200 mid-size sedan. ESS accounts for a one-mpg city-cycle fuel-economy gain in the Ram, the most fuel-efficient truck in its segment.

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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.