http://www.cleanenergy.org/2011/03/14/tva-at-the-crossroads/

SACE | Southern Alliance for Clean Energy

TVA at the Crossroads

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America is at an energy crossroads and the Tennessee Valley Authority has a choice to make:Will it cling to old coal power because of its historic significance or will it retire its oldest, dirtiest and least efficient plants and lead America into a clean energy future?