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

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Credit: ACS, Brandt 2012. Brandt considers factors affecting energy consumption and GHG emissions from oil sands extraction, and then uses publicly available data to analyze the assumptions made in the LCA models to better understand the causes of variability in emissions estimates. —Brandt 2012. Click to enlarge.

Oil-Sands 225
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RAND reports suggest US DoD use less petroleum fuel to deal with high prices, not count on alternatives

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However, the US military can play an important role in promoting stability in major oil producing regions and by helping protect the flow of energy through major transit corridors and on the high seas, the reports suggest. —Bartis 2012. Earlier post.).

Price 225
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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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PRELIM uses a more comprehensive range of crude oil quality and refinery configurations than used in earlier models and can quantify energy use and greenhouse gas (GHG) emissions with detail and transparency the better to inform policy analysis, the duo suggests. Click to enlarge. —Abella and Bergerson.

Oil-Sands 236
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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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On-road transportation accounts for approximately 20% of United States energy consumption. Such information is generally not relevant for long-lived GHGs or for fossil fuel depletion, which together have received overwhelming attention among extant LCAs of transportation fuels. Associated tailpipe emissions alone account for 40?60%

Gasoline 236
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EIA projects world liquid fuels use to rise 38% by 2040, driven by growth in Asia and Middle East; transportation 92% of demand

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Crude and lease condensate includes tight oil, shale oil, extra-heavy crude oil, field condensate, and bitumen (i.e., oil sands, either diluted or upgraded). oil shale), and refinery gain. Strong efficiency gains (especially in personal transportation) and conservation reduce OECD demand for liquid fuels.

Asia 341
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Kinder Morgan to purchase El Paso for approximately $38B to form largest natural gas pipeline network and largest midstream energy enterprise in North America

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The combined company will be the largest owner and operator of natural gas pipelines and storage assets in North America with approximately 67,000 miles of natural gas transportation pipelines. Largest independent transporter of petroleum products in the United States, transporting approximately 1.9 is approximately $38 billion.

El Paso 225
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HEI report identifies potential health consequences from new vehicle fuels and technologies; recommended actions

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and Alan Lloyd (President of the International Council on Clean Transportation and former Secretary of the California EPA)—includes leading national and international experts from government, industry, academia, and the non-profit sector. The Panel’s report is expected to be completed by early 2012.

Fuel 170