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California ARB: GHG emissions fell below 1990 levels for first time in 2016; down 13% from 2004 peak; transportation emissions up 2%

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The California Air Resources Board (CARB) announced that greenhouse gas emissions in California in 2016 fell below 1990 levels for the first time since emissions peaked in 2004—a reduction roughly equivalent to taking 12 million cars off the road or saving 6 billion gallons of gasoline a year.

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Zhejiang University team investigates emissions from methanol-gasoline blends

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Globally, the use of methanol as an alternative fuel has attracted interest because of its low production cost, renewable capacity, and good combustion-related properties (higher thermal efficiency, higher engine power, and lower regulated emissions). Unburned methanol is toxic and corrosive. —Yao et al.

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Audi begins initial engine testing of Global Bioenergies, Fraunhofer e-gasoline

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Audi remains convinced of the potential of the fuels e-gas, “e-benzin” (e-gasoline) and e-diesel and is continuing to pursue its e-fuels strategy. galons US), the largest batch yet produced—of synthetic Audi e-gasoline for initial engine tests. Like all Audi e-fuels, the new fuel has many advantages.

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CMU study concludes alt fuel vehicle incentives for OEMs result in increased fleet gasoline consumption and emissions

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A study by researchers at Carnegie Mellon University has concluded that regulatory incentives for OEMs for alternative fuel vehicles (AFVs) intended to encourage a technology transition in the transportation fleet result in increased fleet-wide gasoline consumption and emissions. Click to enlarge. —Jenn et al. 5b02842.

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Researchers say fuel market rebound effect can result in increased GHG emissions under RFS2; suggest taxes over mandates

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However, argues a team from the University of Minnesota in an open-access paper published in the journal Energy Policy , once the “fuel market rebound effect” is factored in, RFS2 actually increases GHG emissions when all fuel GHG intensity targets specified under the act are met. for its analysis. —Hill et al.

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EPAs GHG Standards for Light-Duty Vehicles; Special Credits To Encourage PHEVs, BEVs and FCVs

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Yesterday, the US Environmental Protection Agency (EPA) and the National High Traffic Safety Administration (NHTSA) jointly established increasingly stringent greenhouse gas emission standards under the Clean Air Act for 2012 through 2016 model-year vehicles and fuel economy standards under the Corporate Average Fuel Economy program, respectively.

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EIA Energy Outlook 2013 reference case sees drop in fossil fuel consumption as use of petroleum-based liquid fuels falls; projects 20% higher sales of hybrids and PHEVs than AEO2012

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Transportation sector gasoline demand declines. quadrillion Btu in 2035, as a result of fuel economy improvements achieved through stock turnover as older, less efficient vehicles are replaced by newer, more fuel-efficient vehicles. Motor gasoline consumption will be less than previously estimated. Click to enlarge.

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