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Cummins/Peterbilt SuperTruck shows 54% improvement in fuel economy, 61% improvement in freight efficiency

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The new SuperTruck achieved a 54% increase in fuel economy. and Peterbilt Motors Company, a division of PACCAR, released test results showing their demonstration SuperTruck tractor-trailer achieved a 54% increase in fuel economy, averaging nearly 10 mpg US (23.5 Click to enlarge. Cummins Inc. Earlier post.)

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US EPA rates Nissan LEAF fuel economy as 99 mpg-equivalent (combined); 73-mile range

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The new fuel economy label also notes consumption of 34 kWh per 100 miles. EPA fuel economy label for the LEAF. The label also puts the LEAF as best in the mid-size car class in terms of fuel economy, greenhouse gas emissions, and emissions of criteria pollutants. Click to enlarge.

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EIA: fuel economy standards drive down projected gasoline use; diesel use, product exports rise

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In the US Energy Information Administration’s Annual Energy Outlook 2014 (AEO2014) Reference case, more-stringent vehicle fuel economy standards contribute to a decline in motor gasoline consumption through 2040. The Reference case projects an increase in VMT that, all else equal, would increase motor gasoline fuel consumption.

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Optimized direct-injection hydrogen engine estimated to exceed 2016 CAFE fuel economy targets at Tier 2 Bin 2 emission levels

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The team sees further potential for fuel economy improvement with engine downsizing. Estimated drive-cycle fuel economy and emissions—based on the single-cylinder 0.66L research engine efficiency and emissions maps—was 32.4 L/100km, respectively), with NO x emissions of 0.017 g/mile. Click to enlarge.

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Nissan introduces 2014 Pathfinder Hybrid SUV with FF hybrid system; 24% improvement in fuel economy over conventional

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Nissan introduced the 2014 Pathfinder Hybrid at the New York International Auto Show. Fuel economy is estimated at 26 mpg (9.0 Fuel economy is estimated at 26 mpg (9.0 Estimated city fuel economy is 25 mpg (9.4 It is expected to be priced at around $3,000 more than Pathfinder 3.5-liter

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Chrysler unveils 2013 Ram with array of new systems focused on fuel economy

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2013 Ram 1500 at the New York International Auto Show. Chrysler unveiled the 2013 Ram pickup, featuring an array of fuel-saving systems including a more fuel efficient and more powerful 3.6-liter Specific fuel economy figures are note available yet.) Stop-start technology increases fuel efficiency up to 3.3%.

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X Prize, Electrathon teams to compete in Green Grand Prix at Watkins Glen International

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Automotive X Prize teams from New York, Pennsylvania, Michigan and Indiana will compete at the 7 th Annual Green Grand Prix Friday, April 15, at Watkins Glen International. The X Prize cars will be entered in one of two fuel economy rallies that will be run on the WGI’s 2.45-mile mile) short course.