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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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IEA: global map of oil refining and trade to be redrawn over next 5 years

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Profound shifts in the regional distribution of oil demand and supply growth will redefine the refining industry and transform global oil trade over the next five years, according to the annual Medium-Term Oil Market Report (MTOMR) released by the International Energy Agency (IEA). The oil market is at a crossroads.

Oil 255
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Ecofys report concludes current European regulations underestimating GHG reductions

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The study was commissioned by the European Oilseed Alliance (EOA), the European Biodiesel Board (EBB) and the European Vegetable Oil and Proteinmeal Industry (FEDIOL). Even for conventional oil production fields, because larger existing fields get depleted, the extraction efforts increase while smaller fields are taken in operation.

Oil-Sands 236
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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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As the world population increases by the estimated 30% from 2010 to 2040, ExxonMobil sees global GDP rising by about 140%, but energy demand by only about 35% due to greater efficiency. The Outlook for Energy provides ExxonMobil’s long-term view of global energy demand and supply. Click to enlarge. Outlook for Energy.

Energy 252
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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. Hybrids are expected to account for about half of global new-car sales by 2040. Without the projected gains in efficiency, global energy demand could have risen by more than 100%. Click to enlarge.

Oil-Sands 309
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MIT/RAND Study Concludes Three Types of Alternative Jet Fuel May Be Available in Commercial Quantities Over the Next Decade

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The five different fuel groups were those derived: from conventional petroleum; from unconventional petroleum; synthetically from natural gas, coal, or combinations of coal and biomass via the FT process; renewable oils; and alcohols. million bpd. Reduced GHG impact. For CTL, life-cycle GHG emissions would roughly double.

MIT 250
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Stanford, UC Santa Cruz study explores ramifications of demand-driven peak to conventional oil

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In contrast to arguments that peak conventional oil production is imminent due to physical resource scarcity, a team from Stanford University and UC Santa Cruz has examined the alternative possibility of reduced oil use due to improved efficiency and oil substitution. 2010, to above 140 $/bbl in constant 2010 dollars).

Oil 207