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Cummins announces fuel economy improvements for heavy-duty lineup

Green Car Congress

announced fuel-efficiency improvements, a new engine rating and Connected Diagnostics for its heavy-duty engine customers. Cummins offers optimized ratings for its 15-liter ISX15 engines to provide leading fuel efficiency in a variety of applications. Cummins Inc. Earlier post.)

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EPA Trends on EVs and PHEVs; beginning of a “measurable and meaningful impact” on new vehicle fuel economy and emissions

Green Car Congress

The agency’s reasoning was that since alternative fuel vehicle production has generally been less than 0.1% of total vehicle production until very recently, the impact of excluding alternative fuel vehicles was negligible. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values.

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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 occupants carried) decreased by 27% (from 1.9

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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 in June 2010, but decreased from May 2011 at 21.9 mpg in June 2010. from June 2010). from June 2010).

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Scrapyard Find: 2010 Citroën C4 Picasso VTR+

The Truth About Cars

The selling points are plenty of passenger and cargo capacity with a small footprint, plus good fuel economy; the downside is a goofy appearance that even Pininfarina wasn't able to fix. For 2010, the C4 Picasso was available with diesel or gasoline power. 2010 Citroën C4 Picasso in English scrapyard. This one has the 1.6-liter

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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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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. Click to enlarge.