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

Green Car Congress

Chrysler Group LLC and the US Environmental Protection Agency (EPA) are working together to determine the possibility of adapting a hydraulic series hybrid system for application in large passenger cars and light-duty vehicles. In 2004, EPA had combined a full series hydraulic hybrid system with a diesel engine in a 2003 Ford Expedition SUV.

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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

Changes in light-duty vehicle technology penetration share. 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 Source: EPA. Click to enlarge. l/100km) or more.

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Study finds older drivers more likely to buy new vehicles

Green Car Congress

Sivak examined the differences in the probability of licensed drivers purchasing a new light-duty vehicle (car, pickup truck, SUV or minivan) as a function of their age for the years 2007 and 2011. In 2011, one vehicle was purchased for every 14.6 drivers aged 55-64. By comparison, the rates for other groups of drivers were: 14.9

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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

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. The final MY 2013 adjusted, real world CO 2 emissions rate for all light-duty gasoline and diesel-fueled vehicles is 369 g/m—a 7 g/mi decrease relative to MY 2012.

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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

Other highlights of the latest Trends report include: Light truck market share decreased in MY 2012, but continues to be variable. 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. mpg, or 22%.

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EPA reports decline in CO2 and increase in fuel economy from new US LDVs in 2009; projects increase in new hybrid vehicle share to 4.3% in 2010

Green Car Congress

Since 1975, the report notes, overall new light-duty vehicle CO 2. The annual report provides data on the CO 2 emissions, fuel economy and technology characteristics of new light-duty vehicles (cars, minivans, sport utility vehicles, and pickup trucks). mpg (10.45 Characteristics of new LDVs for six model years.

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

Green Car Congress

legal light-duty vehicles from 1984 to present. Data has been collected for 23 light-duty vehicles at ORNL’s vehicle research laboratory and a valuable data set for 51 vehicles was loaned to ORNL by Chrysler, LLC under a non-disclosure agreement. Analysis has focused on speeds of 50, 60, 70 and 80 mph. [ Brief summary of vehicle data.