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One Atmospheric Nuclear Explosion Could Take Out the Power Grid

Cars That Think

Military and non-proliferation experts are worried about the growing temptation by nuclear-armed countries to engage in a first-strike EMP attack using nuclear weapons that, while avoiding direct casualties, could prove devastating to electric grids and electronic devices from smartwatches to supercomputers. In 1962, the. John MacNeill.

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The EV Transition Explained: Can the Grid Cope?

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There have been vigorous debates pro and con in the United States and elsewhere over whether electric grids can support EVs at scale. This situation is not true universally. Xcel Energy in Minnesota, for example, has already started to upgrade distribution transformers because of potential residential EV electrical-load issues.

Grid 110
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Xcel Terms First Phase of Sodium-Sulfur Battery Wind Energy Storage Test Project Successful

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Xcel Energy has released the preliminary results from its wind-to-battery (W2B) storage project in Minnesota, and termed the technology successful. In October 2008, Xcel began testing a one-megawatt sodium-sulfur (NaS) battery ( earlier post ) to demonstrate its ability to store wind energy and move it to the electricity grid when needed.

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CMU county-level study shows plug-ins have larger or smaller lifecycle GHG than gasoline ICE depending on regional factors

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The team from Carnegie Mellon University led by Dr. Jeremy Michalek accounted for regional differences in emissions due to marginal grid mix; ambient temperature; patterns of vehicle miles traveled (VMT); and driving conditions (city versus highway). —Yuksel et al.

Gasoline 150
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Researchers describe the “where” and “when” of life cycle emissions from gasoline and ethanol in the US

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Contributions of regions to total life cycle emissions for three fuels (µg per vehicle-mile traveled per km 2 land area). Emissions are represented in 12 km resolution grids. Dashed lines show US average emissions. Credit: ACS, Tessum et al. Click to enlarge. Efficiencies and emissions factors reported are for year 2010.

Gasoline 236
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DOE ARPA-E awards $156M to projects to 60 projects to accelerate innovation in clean energy technologies

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The new ARPA-E selections focus on accelerating innovations in clean technology while increasing US competitiveness in rare earth alternatives and breakthroughs in biofuels, thermal storage, grid controls, and solar power electronics. University of Massachusetts, Amherst. University of Illinois. University. Description.

Energy 294
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The EV Transition Explained: Policy Roadblocks

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“Public policy implementation is hard even if everyone supports a policy,” says University of Michigan professor emeritus John Leslie King , who has studied policy management and administration for decades. Affordability is expected to be just one highly contentious issue: Who, exactly, is going to pay for grid upgrades?

Grid 95