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Technical brief: transportation overtaking electricity generation as the largest source of US CO2 emissions

Green Car Congress

A technical brief by Dr. John DeCicco at the University of Michigan Energy Institute shows that transportation is overtaking electricity generation as the largest source of US CO 2. per year over 2007-2015 due to the displacement of coal by natural gas, wind and solar for power production as well as energy efficiency gains.

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CMU study finds controlled EV charging can reduce generation cost, but at greater health and environmental costs depending upon the generation mix

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Results from the study also suggest that with sufficient coal plant retirement and sufficient wind power, controlled charging could result in positive net benefits instead of negative. High Wind Future: In this scenario, they modified the future case to add wind plants sufficient to produce 20% of generation.

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GWU team demonstrates one-pot process for optimized synthesis of controlled CNTs from CO2; coupling cement and C2CNT

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Researchers at George Washington University led by Dr. Stuart Licht ( earlier post ) have developed a new process that transforms CO 2 into a controlled selection of nanotubes (CNTs) via molten electrolysis; they call the process C2CNT (CO2 into carbon nanotubes). Bottom: C2CNT Cement wind plant: The full oxy-fuel configuration is shown.

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Obama climate plan calls for new fuel economy standards for heavy-duty vehicles post-2018; cleaner fuels and investment in advanced fossil energy

Green Car Congress

Among the transportation-related elements of US President Barack Obama’s new climate action plan, which he is outlining today in a speech at Georgetown University, is the development of new fuel economy standards for heavy-duty vehicles post-2018. A proposal for existing plants is due in 2014, with targeted file rule in 2015.

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Evidence from glacier ice: Until it was banned, leaded gasoline dominated the anthropogenic lead emissions in South America

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Leaded gasoline was a larger emission source of the toxic heavy metal lead than mining in South America, even though the extraction of metals from the region’s mines historically released huge quantities of lead into the environment, according to a study by researchers from the Paul Scherrer Institute PSI and the University of Bern.

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Obama sets goal of reducing US oil imports by 1/3 by 2025; domestic and Western Hemisphere production, natural gas, biofuels, electric vehicles, fleet purchases

Green Car Congress

Obama was delivering a speech on energy policy at Georgetown University. That’s why we’ve already doubled the number of alternative vehicles in the federal fleet, and that’s why, today, I am directing agencies to purchase 100% alternative fuel, hybrid, or electric vehicles by 2015. —President Obama.

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Study: even with high LDV electrification, low-carbon biofuels will be necessary to meet 80% GHG reduction target; “daunting” policy implications

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They considered state-specific contributions from nine generating technologies: coal, oil, natural gas, hydro, biogas, geothermal, nuclear, wind, and solar. In the climate-targeted scenarios, they assumed that electrified vehicles receive their electricity from an 80% decarbonized electricity grid. —Meier et al. Meier, Keith R.

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