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2011 edition of EPA Fuel Economy Trends report shows several advanced powertrain technologies making significant gains

Green Car Congress

Light duty vehicle characteristics for seven model years. to 8.3%) and is projected to triple from MY 2009-2011 (to 13.7%); turbocharging is projected to double in MY 2011 (from 3.5% to 7.4%); cylinder deactivation is projected to nearly double in MY 2011 (from 6.4% share for MY 2011, up from 3.8% Click to enlarge.

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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

The final model year (MY) 2012 adjusted, real world CO 2 emissions rate is 376 g/mi—a 22 g/mi decrease (-5.5%) relative to MY 2011. 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%.

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ICCT study finds increasing gap between rated and actual passenger car fuel consumption in Europe

Green Car Congress

A new white paper published by the International Council on Clean Transportation (ICCT) comparing official and “real-world” fuel consumption and CO 2 emission values for passenger cars in Europe and the United States shows that the average discrepancy between the values in Europe increased from less than 10% in 2001 to 25% in 2011.

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First drive: Volvo XC90 T8 Drive-E Twin Engine PHEV sets a high bar for full-size luxury SUV plug-ins in US

Green Car Congress

In 2011, Volvo announced it would build its own technological future based on two in-house developed strategies: a scalable vehicle architecture (SPA); and a new engine range consisting solely of four-cylinder gasoline and diesel engines (Volvo Engine Architecture, VEA4). L/100km (29 mpg US) on the European cycle, for 186 g CO 2 /km.

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EPA, DOT and California align timeframe for proposing MY 2017-2025 light-duty vehicle fuel economy and greenhouse gas standards

Green Car Congress

The US Department of Transportation (DOT), the US Environmental Protection Agency (EPA) and the state of California have announced a single timeframe for proposing fuel economy and greenhouse gas standards for model year 2017-2025 cars and light-duty trucks. mpg US (6.9 mpg US (6.9 mpg US (6.6 Earlier post.)

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The Long View from SAE 2009 World Congress

Green Car Congress

Winner of the 2004 Dale Prize for Excellence in Urban Planning. Here are some examples of actions that would be required to achieve the target of at least 35 mpg specified by EISA 2007: [Note: NHTSA has released CAFE standards for MY 2011, but is engaging in further consideration and analysis prior to issuing rules for subsequent model years.

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Achates: LD opposed-piston, 2-stroke diesel can meet 2025 final CAFE, Tier 3 standards for full-size pickup; 30% better FE than Cummins ATLAS

Green Car Congress

the developer of a family of two-stroke compression-ignition opposed-piston engines ( earlier post ), has performed an in-depth study on the performance and emissions of light-duty version of its engine packaged for a full-size pickup truck. Fuel economy (mpg). Fuel economy (mpg). Achates Power, Inc., Background. NO x (g/mile).

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