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Study finds that increased vehicle travel and decreased occupancy have undercut the impact of improving fuel economy over last 40 years

Green Car Congress

Sivak found that while the vehicle fuel economy of the entire light-duty fleet improved by 40% (from 13 mpg US to 21.6 mpg US, or from 18.1 l/100km), because of the decrease in vehicle load, the occupant fuel economy only improved by 17% (from 24.8 mpg US to 29.8 mpg US, or 9.5 l/100km to 10.9

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Cummins ATLAS light-duty diesel surpasses fuel economy targets, with criteria emissions lower than Tier 2/Bin 2

Green Car Congress

is showcasing the results of a four-year joint program with the US Department of Energy (DOE) at the Mid-America Trucking Show. The Cummins team not only surpassed all fuel-economy targets, but also achieved criteria emissions lower than the stringent Tier 2/Bin 2 levels. Test cycle fuel economy (mpg). mpg (12.45

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Volkswagen to intro Passat BlueMotion Concept at Detroit show; 4-cylinder with cylinder deactivation; 42 mpg highway

Green Car Congress

Volkswagen of America will introduce the Passat BlueMotion Concept at the 2014 North American International Auto Show in Detroit next week. Based on the current Passat that was developed specifically for North America, the BlueMotion label defines the version that has the best efficiency in the model lineup.

MPG 285
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Report suggests that not following good eco-driving practices can lead to a reduction in on-road fuel economy of up to about 45% in total

Green Car Congress

The types of vehicles consumers select has by far the most dominant impact on on-road fuel economy—the best vehicle currently available for sale in the US is nine times more fuel efficient than the worst vehicle. Average on-road fuel economy in the US for all vehicles in 2008 was 17.4 mpg US (13.5 loading). (On

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About 40% of GM vehicles sold rated at least 30 mpg on highway, up from 16% three years ago

Green Car Congress

GM expects to post 100,000 units of more of the 12 GM vehicles that are EPA-rated at 30 mpg US or better on the highway—the highest total in company history—when it reports March sales on Tuesday. Today, that number is about 40%. —Mark Reuss. This includes the all-new 2013 Cadillac ATS 2.5-liter liter and 2.0-liter

MPG 199
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Ford Unveils Ford Fiesta for North America at Los Angeles Auto Show; 1.6L I4 with Ti-VCT Delivers Estimated 40 mpg Highway

Green Car Congress

Ford unveiled the North American 2011 Ford Fiesta at the Los Angeles Auto Show. Fiesta—available in four- and five-door bodystyles—will offer North American buyers a new choice of 15 class-exclusive technologies and projected highway fuel economy of 40 mpg, besting the Honda Fit, Nissan Versa and Toyota Yaris and Corolla.

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ExxonMobil: diesel will surpass gasoline as the number one global transportation fuel by 2020

Green Car Congress

The relative shift away from motor gasoline to diesel is driven by improving light-duty vehicle fuel economy and the growth in commercial transportation activity. Sources for fuel economy gains in light-duty vehicles. By 2040, new cars globally will average around 47 mpg US (5.0 Click to enlarge. l/100km) today.

Gasoline 383