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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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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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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 available 5.7-liter SUV segments in the US are showing strong growth.

Durango 225
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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. The 2010 final data will be available in next year’s report. The report confirms that average CO 2 emissions have decreased and fuel economy has increased each year beginning in 2005. mpg (10.45

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GFEI: vehicle fuel economy is below global targets, jeopardizing action on climate and energy; failure of policy

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Worldwide, the vehicle fleet is not making enough progress on fuel economy and is failing to reach global targets aimed at reducing CO 2 emissions, cutting oil consumption and improving energy efficiency according to a new report from the Global Fuel Economy Initiative (GFEI) ( earlier post ) released at the Paris COP21 Climate Summit.

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EPA trends report sees record levels of average new vehicle fuel economy and CO2 emissions for MY 2012; role of new gasoline vehicle technologies

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MY 2012 adjusted fuel economy is 23.6 mpg fuel economy improvement from MY 2011 to MY 2012 is the second largest annual improvement in the last 30 years. l/100 km) fuel economy, which, if achieved, will again represent all-time records. Click to enlarge. l/100 km), which is 1.2 mpg, or 22%.