Steam from a coal-fired plants located outside Baltimore, Maryland, November 21, 2011. (Andre Chung/MCT)
Steam from a coal-fired plants located outside Baltimore, Maryland, November 21, 2011. (Andre Chung/MCT) MCT
Steam from a coal-fired plants located outside Baltimore, Maryland, November 21, 2011. (Andre Chung/MCT) MCT

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July 23, 2014 2:52 PM

EPA chief defends power plant rule against GOP charges of overreach

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