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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

With alternative fuel vehicles now approaching 1% of new vehicle production, however, they are in fact beginning to have a “ measurable and meaningful impact ” on overall new vehicle fuel economy and CO 2 emissions. In the analysis, EPA uses overall fuel economy in mpg equivalent (mpge) and tailpipe CO 2 emission values.

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New UMTRI report on US vehicle fuel economy from 1923-2013 suggests need to focus on improving lower tails in each vehicle class

Green Car Congress

In a new report, researchers at the University of Michigan Transportation Research Institute (UMTRI) have calculated the actual, on-road fuel economy for the entire fleet of all vehicles in the US, and for different classes of vehicles, with primary interest in light-duty vehicles (cars, pickup trucks, vans, and SUVs), between 1923 and 2013.

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ORNL: Speed synchronization through connected vehicle technology contributes to significant fuel economy improvements in conventional and hybrid vehicles

Green Car Congress

A study by researchers at Oak Ridge National Laboratory earlier this year concluded that speed synchronization through connected vehicle technology can contribute to fuel economy improvement more than 4% for the conventional vehicle fleet and at least 7% for the hybrid electric fleet. The driving schedule links the two.

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Study finds that increased vehicle travel and decreased occupancy have undercut the impact of improving fuel economy over last 40 years

Green Car Congress

Sivak found that while the vehicle fuel economy of the entire light-duty fleet improved by 40% (from 13 mpg US to 21.6 l/100km), because of the decrease in vehicle load, the occupant fuel economy only improved by 17% (from 24.8 —Sivak 2013. occupants carried) decreased by 27% (from 1.9 l/100km to 10.9

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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

EPA released the latest edition of its annual report on trends in CO 2 emissions, fuel economy and powertrain technology for new personal vehicles in the US. Among the top-level findings was that Model year 2013 vehicles achieved an average of 24.1 Adjusted fuel economy distribution by model year. Fuel economy.

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Ford lowers fuel economy ratings for hybrids, plug-in hybrids, and Fiestas; goodwill payments to buyers coming

Green Car Congress

Ford Motor Company is lowering the fuel economy ratings for its 2013- and 2014-model year hybrid and plug-in hybrid vehicles, as well as most 2014-model year Fiestas. Ford said it had identified an error with fuel economy ratings on the vehicles and notified the US Environmental Protection Agency (EPA).

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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. MY 2012 adjusted fuel economy is 23.6 Preliminary MY 2013 adjusted values are 370 g/mi CO 2 emissions and 24.0 Click to enlarge.