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Smoke rises from two smokestacks at the American Electric Power Co.'s Mountaineer plant in New Haven, West Virginia, in a 2009 file photo. (CNS/Reuters/Ayesha Rascoe)
Smoke rises from two smokestacks at the American Electric Power Co.'s Mountaineer plant in New Haven, West Virginia, in a 2009 file photo. (CNS/Reuters/Ayesha Rascoe)