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EPA Trends on EVs and PHEVs; beginning of a “measurable and meaningful impact” on new vehicle fuel economy and emissions

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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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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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Chrysler Group withdraws test PHEV fleet to upgrade battery packs after overheating issues; to use a different chemistry

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On Friday, Chrysler Group LLC announced it was withdrawing from service its test fleet of plug-in hybrid-electric vehicles (PHEVs) to conduct a battery-pack upgrade. Three of the fleet’s 109 pickups equipped with plug-in hybrid powertrains sustained damage when their prototype 12.9-kWh mpg, while the minivans delivered 55.0

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Chrysler Disbands ENVI Electric Vehicle Group; Function Absorbed into Traditional Line Organization

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In April 2009, Chrysler unveiled four all-electric Chrysler Town & Country minivan concepts to the US Postal Service (USPS) in Washington, DC. In August, Chrysler took $70 million in grants from the US Department of Energy to develop a test fleet of 220 hybrid pickup trucks and minivans. Earlier post.). Earlier post.).

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Chrysler Group files S-1 for IPO; snapshot of R&D priorities; exploring a light-duty hydraulic hybrid

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As one example cited, the company has increased its use of high-strength steel and other lightweight materials to reduce vehicle weight, and thus improve fuel economy, while still meeting standards for vehicle safety. Chrysler is also seeking to reduce electrical loads through application of higher efficiency fans and fuel pumps.

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Chrysler Group LLC Begins Detailing Elements of Powertrain Strategy; More Than 25% Fuel Efficiency Improvement During 2010-2014

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Chrysler Group LLC provided some more detail on its revamped powertrain lineup—outlined in November 2009 ( earlier post )—that applies technology that will contribute to an overall fuel-efficiency improvement of more than 25% during the 2010-2014 period. New Four-cylinder Engines. Earlier post.). Chrysler Powertrain’s 2.4-liter

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NRC report finds significant number of near-term technologies could greatly reduce fuel consumption in passenger cars

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According to its estimates, adopting the full combination of improved technologies in medium and large cars and pickup trucks with spark-ignition engines could reduce fuel consumption by 29% at an additional cost of $2,200 to the consumer. Part of the gain from advanced-level CI diesel engines comes from downsizing.

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