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NASA Glenn develops automated flywheel pulse-and-glide system; improving fuel economy up to 40-100%

Green Car Congress

Innovators at NASA’s Glenn Research Center have developed an automated pulse-and-glide technique using a flywheel energy storage system for on-road vehicles; the technology, which NASA Glenn says can improve fuel economy over existing internal combustion or battery hybrid systems by 40-100%, is available for licensing.

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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. The compact sedan, a 2009 Toyota Corolla with a 1.8-liter l/100 km).

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Ceres: national fuel economy and emissions standards can increase viability of domestic automakers and suppliers

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New analysis commissioned by Ceres, a sustainability nonprofit organization working with investors and companies, suggests that national fuel economy and emissions standards can help increase the viability and international competitiveness of domestic automakers and suppliers. Even so, current auto sales and profits remain strong.

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

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EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

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2011 edition of EPA Fuel Economy Trends report shows several advanced powertrain technologies making significant gains

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to 8.3%) and is projected to triple from MY 2009-2011 (to 13.7%); turbocharging is projected to double in MY 2011 (from 3.5% to 11.1%); and both 6-speed and 7-speed transmissions approximately doubled from MY 2009-2011 (from 24.7% to 11.1%); and both 6-speed and 7-speed transmissions approximately doubled from MY 2009-2011 (from 24.7%

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EPA reports decline in CO2 and increase in fuel economy from new US LDVs in 2009; projects increase in new hybrid vehicle share to 4.3% in 2010

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L/100km), though there is uncertainty in these projections as they were made during the atypical automotive market in 2009. For 2009, the last year EPA has final data from automakers, the average CO 2 emissions from new vehicles were 397 grams per mile and the average fuel economy value was 22.4 in 2010, up from 2.3%

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Dodge equips 2014 Durango full-size SUV with 8-speed for 9% boost in fuel economy

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The three-row SUV is equipped with an eight-speed automatic transmission that improves fuel economy up to 9% (for the V-6 model) as well as a range of other enhancements. EPA fuel economy estimates are not yet available. The 2014 Dodge Durango features a new Eco Mode that contributes to its improved fuel economy.

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