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Study Finds Regional Variations in Irrigation Practices Can Push Corn Ethanol Water Requirements 3x Higher Than Earlier Estimates; Need to Account for Regional Specifics in Mandates

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The foreground bar height indicates the EWe of each state, with the portion of ground and surface water indicated by color. Researchers at the University of Minnesota have estimated state-level field-to-pump water requirements of corn ethanol production across the US. Credit: ACS. Click to enlarge. Chiu et al.

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Converting Oil Shale to Gasoline via Alberta Taciuk Processor Results in Full Fuel Cycle GHG Emissions 1.5-1.75 Larger Than From Conventionally Produced Gasoline

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The largest global oil shale deposits—estimated to be equivalent to 1,500 Gbbl oil equivalent—are found in the Green River formation of Colorado, Utah, and Wyoming. The ATP retort has lower water requirements than previous surface retort designs, and can also utilize fine particles, thus reducing shale waste. Credit: ACS. Brandt, 2009.

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