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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

Among the top-level findings was that Model year 2013 vehicles achieved an average of 24.1 mpg increase over the previous year and an increase of nearly 5 mpg since 2004. Fuel economy has now increased in eight of the last nine years; average carbon dioxide emissions are also at a record low of 369 g/mile in model year 2013.

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2013 Toyota Sienna To Drop Four-Cylinder Model

Green Car Reports

With the 2013 Toyota Sienna minivan however, it's no big deal losing the unpopular 2.7-liter liter V-6 already made the same 21 mpg. Normally, a manufacturer announcing that it will drop a four cylinder model in favor of a six-cylinder variant would lead to wailing and gnashing of teeth, to those of a green disposition.

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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

EPA projects advanced transmissions (6+ speeds and CVTs), gasoline direct injection (GDI) systems, and turbocharged engines will be installed on at least 15% of all MY 2013 vehicles. 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.

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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. of new vehicle production in MY 2013, according to EPA.

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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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Achates Power building 2.7L opposed-piston light-duty engine; exceeding CAFE 2025, Tier 3 targets at lower cost

Green Car Congress

liter OPE will deliver nominal power of 270 hp and max torque of 650 N·m (479 lb-ft); the vehicle will achieve 37 mpg—12% above the 33 mpg fully phased-in CAFE 2025 requirement for a full-size, light-duty pick-up truck (65-70 sq. That works out to an estimated window-sticker label rating of 28 mpg combined.).

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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

Hybrid Sonata model year 2011, possible PHEV version in 2013. However," he continued, "If carmakers decide not to take advantage of this offer, AFS Trinity intends to raise the funds to begin modifying existing hybrids or manufacture its own 150 mpg SUVs and, eventually, 250 mpg sedans. No announced plans.

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