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DOE: Life cycle GHG emissions for 2020 electric small SUV were half those of a conventional gasoline small SUV

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Using current technologies, all evaluated biofuel, battery electric, and hydrogen fuel cell vehicle pathways offer significant C2G GHG emissions reduction compared to the current gasoline internal combustion engine vehicle. Key assumptions for these two scenarios (e.g., powertrain efficiency, component weights, etc.)

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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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GM to introduce strong hybrid version of Malibu; combined fuel economy above 45 mpg; leverages Volt

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GM will introduce a strong hybrid version of the next-generation Malibu. Using technology from the 2016 Chevrolet Volt propulsion system ( earlier post ), Malibu Hybrid will offer an estimated combined fuel economy rating exceeding 45 mpg (5.22 Additional fuel economy benefits come from Exhaust Gas Recirculation, or EGR.

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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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GM CEO outlines highlights of fuel economy plan through MY2016: lightweighting; more efficient gasoline and clean diesel engines, electrification

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Within his talk about the need for a US energy policy at the IHS CERAWeek 2013 energy conference in Houston, GM Chairman and CEO Dan Akerson outlined some highlights of the company’s fuel economy plan through the 2016 model year. GM, said Akerson, is doing a much better job optimizing mass efficiency. Clean diesel.

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UPS updates 125 Workhorse E-GEN series hybrid electric step vans with smaller genset engine for better fuel economy

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UPS announced an update to 125 Workhorse E-GEN series hybrid electric delivery trucks that improve fuel economy as part of the company’s broader Rolling Laboratory approach. 4-cylinder engine; charging capability remains the same, as does the electric range. The smaller engine will improve fuel economy, however.

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GM applying new intake valve lift control technology in 2.5L Ecotec for 2014 Impala; up to 1 mpg fuel economy boost

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GM is applying a new advanced valvetrain technology on the Ecotec 2.5L GM estimates the fuel savings at up to one mile per gallon, according to Mike Anderson, GM global chief engineer for Ecotec engines. It is the first of its kind for low-friction roller-type finger-follower valvetrains in gasoline engines, GM says.

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