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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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Land Rover bringing two diesel SUVs to N. America; 32% better combined fuel economy, up to 28 mpg on highway; LEV 3

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The two new luxury diesel SUVs are making their debut at the 2015 North American International Auto Show in Detroit and go on sale Fall 2015. These include the addition of a water-cooled turbocharger for maximum performance and durability at high operating temperatures; and new ball bearings, vanes and nozzles to improve efficiency.

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New diamine-appended MOFs can capture CO2 for half or less of the energy cost of current materials

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Power plants that capture CO 2 today use an older technology whereby flue gases are bubbled through organic amines in water, where the carbon dioxide binds to amines. Because MOFs are solid, the process also saves the energy costs of heating the water in which amines are dissolved. Schnell, Nora Planas, Kyuho Lee, Tod Pascal, Liwen F.

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Biden Administration puts 20-year ban on mining in 225k acres in northeastern Minnesota; huge blow to Twin Metals copper project

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US Secretary of the Interior Deb Haaland signed Public Land Order 7917 withdrawing approximately 225,504 acres in the Superior National Forest in northeastern Minnesota from disposition under the United States mineral and geothermal leasing laws for a 20-year period, subject to valid existing rights.

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Northwestern-led team finds slightly imperfect graphene can serve as a highly selective proton separation membrane

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When Geiger and his colleagues studied graphene exposed to water, they found that protons were indeed moving through the graphene. Geiger (2015) “Aqueous proton transfer across single-layer graphene” Nature Communications 6, Article number: 6539 doi: 10.1038/ncomms7539doi. Sacci, Ivan V. Vlassiouk, Pasquale F.

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Perspective: Regional Greenhouse Gas Cap-and-Trade Programs May be the Solution

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In 2015–expanded to emissions from residential, commercial, and other industrial combustion, and transportation fuels. In 2015–nearly 90% of emissions. states (Illinois, Iowa, Kansas, Michigan, Minnesota, and Wisconsin) and one Canadian province (Manitoba). Sources: In 2012–electricity generators and large industrial sources.

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