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DOE proposes revising procedures for calculating petroleum-equivalent fuel economy of EVs for use in CAFE calculations

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The US Department of Energy (DOE) is proposing a significant revision in its procedures for calculating a value for the petroleum-equivalent fuel economy of EVs for use in the Corporate Average Fuel Economy (CAFE) program administered by the Department of Transportation (DOT). Background. Proposed PEF.

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Mazda announces SKYACTIV-X: gasoline Spark Controlled Compression Ignition

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Mazda Motor Corporation announced “Sustainable Zoom-Zoom 2030,” a new long-term vision for technology development that looks ahead to the year 2030. As part of the new technology to achieve this vision, the company disclosed plans to introduce a next-generation gasoline engine called SKYACTIV-X in 2019. Earlier post.). Earlier post.).

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EPA annual trends report finds new vehicle fuel economy at record 24.1 mpg; new powertrain technologies rapidly gaining share

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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. 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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NREL study finds gasoline hybrid delivery trucks substantially reduce emissions and beat or maintain fuel economy compared to diesel vehicles

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NREL’s Fleet Test and Evaluation Team recently completed a year-long technology evaluation of gasoline hybrid electric (gHEV) FedEx Express delivery trucks compared with conventional diesel vehicles. On a drive cycle representing routes with frequent stops and accelerations, the gHEV trucks exhibited a 20% improvement in fuel economy.

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EPA, DOT Propose New Fuel Economy Labels; Addressing GHG Emissions, Fuel Consumption and Advanced Technology Vehicles

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From left to right: EV, PHEV, gasoline/diesel, gasoline/diesel. The US Department of Transportation (DOT) and the US Environmental Protection Agency (EPA) are jointly proposing changes to the fuel economy labels consumers see on the window of new vehicles in dealer showrooms. Color is integral to the new schemes.

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Interim NREL Report on In-Use Azure Balance Gasoline Hybrids in FedEx Fleet Finds Substantially Lower Tailpipe Emissions, Similar Fuel Economy to Diesels

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Fuel economy was similar between the gHEVs and diesel vehicles, except for the highest kinetic intensity drive cycle where the hybrid exhibited ~20% higher fuel economy. FedEx has deployed 20 gasoline hybrid electric vehicles (gHEVs) on parcel delivery routes in the Sacramento and Los Angeles areas. Max Torque.

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UMD collaborative study finds that fuel efficiency of one car in household may be cancelled out by next car purchase

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—James Archsmith, assistant professor in Agricultural & Resource Economics at UMD and lead author. The researchers studied California Department of Motor Vehicle trends in household behaviors for two-car households for a period of six years. So the effect of fuel economy standards is reduced. —James Archsmith.

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