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ORNL study quantifies fuel economy costs of common driver practices and vehicle alterations

Green Car Congress

They presented their results in a paper at SAE 2014 World Congress in Detroit. In addition, two minivans were subjected to coastdowns to examine the similarity in derived coefficients for two duplicate vehicles of the same model. l/100 km) at 60 mph (97 km/h) to 33 mpg (7.1 The compact sedan, a 2009 Toyota Corolla with a 1.8-liter

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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

mpg increase over the previous year and an increase of nearly 5 mpg since 2004. The Trends report has been published annually since 1975 and covers all passenger cars, sport utility vehicles, minivans, and all but the largest pickup trucks and vans. mpg, which is 0.5 mpg higher than MY 2012. mpg, respectively.

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Chrysler Group withdraws test PHEV fleet to upgrade battery packs after overheating issues; to use a different chemistry

Green Car Congress

No similar issues have occurred with 23 plug-in hybrid minivans deployed as part of a parallel project (also with Electrovaya batteries, ( earlier post ). This action is being taken to build upon the lessons from the initial deployment and to concentrate resources and technical development on a superior battery.

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ORNL researchers quantify the effect of increasing highway speed on fuel economy

Green Car Congress

The study includes various sizes of sedans, wagons, and SUVs, as well as pickup trucks, minivans and a few “muscle” and sports cars. Percent mpg decrease for a given 10 mph increase based on 74 vehicles. A comparison of the three histograms shows a slight shift toward higher mpg penalties for each 10-mph speed increase.

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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

The number of SUV, pickup, minivan, and van models that have combined EPA label values of 20 mpg (11.8 There are almost 3 times more SUVs with combined labels of 25 mpg (9.4 l/100 km) or more and 6 times more cars with ratings of 30 mpg (7.8 The number of cars with 40 mpg or higher (5.9 l/100km) or more.

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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

Green Car Congress

mpg higher (+5.4%) than MY 2011. mpg fuel economy improvement from MY 2011 to MY 2012 is the second largest annual improvement in the last 30 years. mpg, or 22%. Light trucks (pickups, minivans/vans, and truck SUVs), accounted for 36% of all light-duty vehicle production in MY 2012, the second lowest level since 1993.

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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 Trends report has been published annually since 1975 and covers all passenger cars, sport utility vehicles, minivans, and all but the largest pickup trucks and vans. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values. mpg, and reduces the overall CO 2 emissions by 3 g/mi.