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Researchers describe the “where” and “when” of life cycle emissions from gasoline and ethanol in the US

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Researchers from the University of Minnesota have produced a spatially and temporally explicit life cycle inventory (LCI) of air pollutants from gasoline, ethanol derived from corn grain, and ethanol from corn stover for the contiguous US (the lower 48 states). Dashed lines show US average emissions. Credit: ACS, Tessum et al.

Gasoline 236
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ARB posts six new LCFS pathway applications for comment; new PFAD biodiesel approach

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The LCFS requires oil producers, importers and other fuel providers gradually to reduce, on a full-fuel lifecycle basis, the carbon intensity (CI) of their transportation fuel mix (measured in gCO 2 e/MJ) by from 0.25% in 2011 to 10% by 2020. The baseline carbon intensity for gasoline in the LCFS lookup table is 99.18 Earlier post.)

Oil 247
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HEI report identifies potential health consequences from new vehicle fuels and technologies; recommended actions

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Rather than relying as extensively on oil as the source of energy to power vehicles—most of it imported to the United States and Europe from other countries—we will use increasing amounts of ethanol and other potentially renewable fuels as well as electricity. David Kittleson, University of Minnesota.

Fuel 170
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Comprehensive modeling study finds electric drive vehicle deployment has little observed effect on US system-wide emissions

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Second, PHEVs with smaller battery packs are more likely to deliver emissions benefits and reduced gasoline consumption at lower lifetime cost compared to those with large battery packs in the short term. No EDV deployment occurs with high battery costs, low oil prices, and no CO 2 policy.

Emissions 236
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ARPA-E Awards $151M to 37 Projects for Transformative Energy Research

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RTI International will work with ADM, Albemarle and ConocoPhillips to develop a novel single-step catalytic biomass pyrolysis process with high carbon conversion efficiency to produce stable bio-crude oil with low oxygen content. Energy Efficient Capture of CO 2 from Coal Flue Gas. The University of Minnesota and BioCee, Inc.

Energy 231