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

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In a paper published in the ACS journal Environmental Science & Technology , Stanford University assistant professor Adam Brandt reviews a number of recent life cycle assessment (LCA) studies calculating greenhouse gas (GHG) emissions from oil sands extraction, upgrading, and refining pathways—the results of which vary considerably.

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EIA projects world energy use to increase 53% by 2035; oil sands/bitumen and biofuels account for 70% of the increase in unconventional liquid fuels

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World oil prices remain high in the IEO2011 Reference case, but oil consumption continues to grow; both conventional and unconventional liquid supplies are used to meet rising demand. In the IEO2011 Reference case the price of light sweet crude oil (in real 2009 dollars) remains high, reaching $125 per barrel in 2035.

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Argonne releases latest updates to GREET life-cycle analysis models

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This release includes the following expansions and updates: Major expansions and updates: Water consumption of fuel production pathways: developed and updated water consumption for hydrogen from various sources, petroleum fuels, biofuels, and hydro-electric power. Shale oil: developed energy and GHG emissions intensities of U.S.

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Canada targets cutting GHGs 30% below 2005 levels by 2030; new regulations for oil and gas, power, petrochemicals

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Canada Environment Minister Leona Aglukkaq announced that Canada plans to reduce its greenhouse gas (GHG) emissions by 30% below 2005 levels by 2030. The new regulations include: Regulations aligned with recently proposed actions in the United States to reduce GHG methane from the oil-and-gas sector.

2005 150
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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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By 2040, hybrids are expected to account for about 35% of the global light-duty vehicle fleet, up from less than 1% in 2010. 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. Source: ExxonMobil. Click to enlarge.

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ExxonMobil: global GDP up ~140% by 2040, but energy demand ~35% due to efficiency; LDV energy demand to rise only slightly despite doubling parc

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Across OECD nations, the Outlook assumes the implied cost of policies to reduce greenhouse gas emissions will reach about $80 per tonne in 2040. The Outlook for Energy identifies a significant evolution in the trade of oil and other liquids. Half of that increase will come from the Asia Pacific region, led by China.

Energy 252
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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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