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Too much wind energy? Save it underground in volcanic rock reservoirs / Josie Garthwaite, National Geographic daily news, 1/07/2013http://news.nationalgeographic.com/news/energy/2013/07/130702-compressed-air-storage-for-wind-energyThese wind turbines whirring above the clouds in Vantage, Washington are just part of the Pacific Northwest's renewable energy boom. To manage a surplus of intermittent power, U.S. scientists propose underground compressed air storage in porous volcanic rock...