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Understanding the variability of GHG life cycle studies of oil sands production

Green Car Congress

Full-fuel-cycle GHG emissions estimates for reformulated gasoline pathways by LCA study. He found that the variation in oil sands GHG estimates is due to a variety of causes. These include oil sands, enhanced oil recovery, coal-to-liquids and gas-to-liquids synthetic fuels, and oil shale.

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Study finds plausibly high volumes of Canadian oil sands crudes in US refineries in 2025 would lead to modest increases in refinery CO2 emissions

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An analysis of the US refining sector, based on linear programming (LP) modeling, finds that refining plausibly high volumes of Canadian oil sands crudes in US refineries in 2025 would lead to a modest increase in refinery CO 2 emissions (ranging between 5.4% to 9.3%) from a 2010 baseline, depending upon the supply scenario.

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ExxonMobil Outlook: 35% growth in energy demand by 2040; hybrids to account for ~50% of new vehicle sales

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The growth reflects an expected 90% increase in electricity use, led by developing countries where 1.3 billion people are currently without access to electricity. Over the same period, electric and plug-in vehicles are expected to grow to about 70 million cars, or less than 5 percent of the total fleet. Transportation.

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New petroleum refining lifecycle model finds the variability in GHG emissions from refining different crudes as significant as magnitude expected in upstream operations

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Comparison of GHGenius, JACOBS, TIAX, and the new PRELIM gasoline greenhouse gas (GHG) estimates using base case estimates and variations from the scenario analysis. Annual GHG emissions from a large refinery are comparable to the emissions of a typical 500 MW coal-fired power plant. Credit: ACS, Abella and Bergerson. Click to enlarge.

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Study concludes transport regulations should focus on energy-intensity-based fuel standards along with regulation of upstream carbon-intensity; decomposing transport GHG emissions into 3 factors

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price-based policies and a cap on total emissions) to regulate coherently alternative fuel vehicles such as electric cars, according to a new study by a team from the Technische Universität Berlin published in the journal Energy Policy. Vehicle regulations (e.g., MJ/km) and complementary regulation of fuel carbon intensity (e.g.,

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Perspective: Drive Star Conversion Program Could Cut US Oil Use in Half by 2020

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In a pre-response to that speech, having successfully advocated for plug-in hybrids like the forthcoming Chevy Volt, we propose that the President follow that speech up with a “realistic and conservative” roadmap to halve our oil use in 10 years. Oil is holding us all hostage, economically and physically. Finally, it’s time to begin.

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

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The new SCET report reviews a range of new technologies and fuels, from improved internal combustion engines, to hybrid and other electric drive technologies, to existing and new bio- and other types of fuels. Hybrid, all-electric drive, and fuel cell technologies are likely to see substantial market penetration by the end of this decade.

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