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Fuel economy for new cars sold in July stays flat from June, up 0.2 mpg year-on-year

Green Car Congress

The fuel economy of light duty vehicles sold in the US in July 2011 increased to 21.6 mpg compared to 21.4 mpg in July 2010, but remained flat from June, according to TrueCar.com. In July, a balanced mix of cars and trucks were purchased, keeping the overall fuel economy of new vehicles sold flat compared to June.

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NREL study finds 2nd-generation diesel hybrid delivery vans show significant gains in fuel economy over conventional vans

Green Car Congress

Laboratory and in-use fuel economy results Source: NREL. The NREL team collected and analyzed in-service fuel economy, maintenance, and other vehicle performance data on 11 hybrid (P100H) and 11 conventional diesel (P100D) step vans operated by the United Parcel Service (UPS) in Minneapolis. mpg, 13% greater than the 9.2

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Study finds that increased vehicle travel and decreased occupancy have undercut the impact of improving fuel economy over last 40 years

Green Car Congress

From 1970 to 2010, vehicle distance travelled in the US increased by 155% (from 1.674 trillion km to 4.260 trillion km); however, because vehicle load (i.e., Sivak found that while the vehicle fuel economy of the entire light-duty fleet improved by 40% (from 13 mpg US to 21.6 mpg US, or from 18.1 mpg US to 29.8

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DOT, EPA unveil joint proposal for fuel economy and greenhouse gas emission standards: 49.6 mpg CAFE, 163 g/mile GHG in 2025; flexibilities and incentives

Green Car Congress

The US Environmental Protection Agency (EPA) and the US Department of Transportation (DOT) formally unveiled their joint proposal to set stronger fuel economy and greenhouse gas pollution standards for Model Year 2017-2025 passenger cars and light trucks. mpg US (5.87 mpg in MY 2021. mpg in model year 2025.

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

Green Car Congress

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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2014 Cascadia Evolution Class 8 rig delivers 10.67 mpg on closed-track demo; 7% better fuel economy than EPA 2010 Cascadia in cross-country tour

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The Freightliner Trucks 2014 Cascadia Evolution—powered only by the newly designed Detroit DD15 engine and featuring enhanced aerodynamic specs—delivered fuel economy of 10.67 mpg US (22 L.100km) Fuel consumption and distance traveled were again documented by ATDS. Freightliner Cascadia Evolution.

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Increased sales of larger vehicles in June lowered average new car fuel economy from May; increase in fuel economy year-on-year

Green Car Congress

Average small car TrueMPG June 2010 v. TrueCar.com provided actual fuel economy numbers from June US light vehicle auto sales that indicate “TrueMPG” will increase to 21.6 mpg US in June 2011 compared to 21.3 mpg in June 2010, but decreased from May 2011 at 21.9 mpg in June 2011, up from 21.3