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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 majority of the carbon and oil savings from current vehicles is due to new gasoline vehicle technologies, the report observed. Changes in market share from MY 2009 to MY 2014 for several key gasoline and diesel engine and transmission technologies.

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Chrysler and EPA to partner on hydraulic series hybrid powertrain for light duty vehicles

Green Car Congress

Hydraulic hybrid systems consist of two key components: high pressure hydraulic fluid vessels called accumulators, and hydraulic drive pump/motors. Acting as a motor, the hydraulic drive uses the pressurized fluid to rotate the wheels. liter, inline four-cylinder gasoline engine. Fluid for the system will be stored in a 14.4-gallon

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EPA: US greenhouse gases dropped 3.4% in 2012 from 2011; down 10% from 2005 levels

Green Car Congress

The number of vehicle miles traveled by light-duty motor vehicles (passenger cars and light-duty trucks) increased 35% from 1990 to 2012, as a result of a confluence of factors including population growth, economic growth, urban sprawl, and low fuel prices during the beginning of this period, EPA said. ships and boats (2.2%). Tg CO 2 Eq.

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How Carmakers Are Responding to the Plug-In Hybrid Opportunity

Tony Karrer Delicious EVdriven

Several dozen prototypes on 15-passenger van since 2004; now in second generation development; no production plans. General Motors Chevy Volt series PHEV, which it calls "extended range electric vehicle" (EREV), part of "E-Flex" multi-fuel platform. Company says its focusing on gasoline and hydrogen. Plans Saturn Vue PHEV-10.

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