This April 28, 2010 photo shows the Colstrip Steam Electric Station, a coal-fired power plant in Colstrip, Mont. Plants such as Colstrip, which produces more than 15 million tons of carbon dioxide ... more 
This April 28, 2010 photo shows the Colstrip Steam Electric Station, a coal-fired power plant in Colstrip, Mont. Plants such as Colstrip, which produces more than 15 million tons of carbon dioxide annually, could face new regulations under President Barack Obama’s latest climate change proposal. The coal industry, which was hoping for a rebound in 2013 after struggling to stay competitive in recent years, is back on the defensive after President Barack Obama renewed calls for carbon dioxide reductions from new and existing power plants.(AP Photo/Matt Brown) less 
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Associated Press | Photo By Matt Brown
Mon, Jul 1, 2013 1:55 PM EDT