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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

Green Car Congress

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

Green Car Congress

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

Green Car Congress

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% for MY 2010, with almost a doubling from MY 2009 (2.3%). in MY 2009. and from 2.6%

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

Green Car Congress

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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EPA annual report on CO2, fuel economy and technology trends finds 2012 heading for all-time best; rapid adoption of new technologies

Green Car Congress

Adjusted CO 2 emissions and adjusted fuel economy, MY 1975-2011. The report finds that CO 2 emissions rates and fuel economy values reflect a very favorable multi-year trend beginning in MY 2005. The fleet-wide average real world MY 2011 personal vehicle CO 2 emissions value is 398 g/mi and average fuel economy is 22.4