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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

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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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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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2012 Subaru Impreza with 30% fuel economy improvement uses BorgWarner variable cam timing technology

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BorgWarner’s Cam Torque Actuated (CTA) variable cam timing (VCT) technology ( earlier post ) with new mid-position lock system ( earlier post ) helps improve fuel economy for the 2012 Subaru Impreza. According to Subaru, the 2012 Impreza offers 30% better fuel economy compared with the previous model year.

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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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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.

Durango 225
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2011 Highlander Hybrid Equipped with Larger Engine, Improved Fuel Economy

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liter V6, while also improving fuel economy. The 2011 Highlander Hybrid receives EPA estimated fuel economy ratings of 28 mpg city and 28 mpg highway (8.4 The 2010 Highlander Hybrid carries an EPA fuel economy rating of 27 mpg city, 25 mpg highway. Conventional engine Highlander. A 270 hp (201 kW) 3.5-liter