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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.

Oil-Sands 225
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Researchers Suggest That Although CCS and Other Technologies Could Reduce Oil Sands GHG Emissions to Near Zero, That Strategy May Not Make Sense

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Examples of emerging oil sands related technologies and trade-offs. The paper is an examination of how various choices about the scale of the life cycle analysis applied to oil sands (i.e., The source material is neither oil nor tar but bitumen, but is most generally described as an example of ultraheavy oil.”.

Oil-Sands 225
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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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The transportation sector accounted for 27% of total world delivered energy consumption in 2008, and transportation energy use increases by 1.4% 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.

Oil-Sands 220
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Stealth Ventures Ltd. and Clean Coal Ltd. Partner on Underground Coal Gasification Project in Nova Scotia

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has entered into an agreement with Clean Coal Ltd., an internationally based company whose technical team is based in the United Kingdom, for the development of an Underground Coal Gasification (UCG) project in Nova Scotia. Clean Coal Ltd. Clean Coal Ltd. Clean Coal Ltd. Stealth Ventures Ltd. Stealth Ventures Ltd.

Coal 170
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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 will continue to take cooperative action with its continental trading partners, particularly the United States, in integrated sectors of the economy, including energy and transportation. Regulations for natural gas-fired electricity, which would build on Canada’s existing coal-fired electricity regulations.

2005 150
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Argonne releases latest updates to GREET life-cycle analysis models

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GREET (The Greenhouse Gases, Regulated Emissions, and Energy Use in Transportation Model) is a full life-cycle model used to evaluate and compare the environmental impacts of new transportation fuels and advanced vehicle technologies. Shale oil: developed energy and GHG emissions intensities of U.S.

Oil-Sands 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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Transportation. Commercial transportation demand by region. Global demand for energy for commercial transportation is expected to rise by 70% from 2010 to 2040, driven by the projected increase in economic activity and the associated increase in movement of goods and freight. Transportation fuels. Source: ExxonMobil.

Oil-Sands 309