File-This June 3, 2011, file photo shows the Huntington Power Plant in Huntington, Utah. Huntington Power Plant is a coal-fired power station owned by PacifiCorp. In Utah, about 80 percent of ... more 
File-This June 3, 2011, file photo shows the Huntington Power Plant in Huntington, Utah. Huntington Power Plant is a coal-fired power station owned by PacifiCorp. In Utah, about 80 percent of electricity is derived from coal, and about 15 percent comes from gas. The national average is about 40 percent coal and 26 percent gas. (AP Photo/The Salt Lake Tribune, Chris Detrick) less 
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Associated Press | Photo By The Salt Lake Tribune, Chris Detrick
Mon, Jun 2, 2014 6:48 PM EDT