FILE - In this April 4, 2013 file photo, a mechanized shovel loads coal onto a haul truck at the Cloud Peak Energy's Spring Creek mine near Decker, Mont. The coal industry, which was hoping for a ... more 
FILE - In this April 4, 2013 file photo, a mechanized shovel loads coal onto a haul truck at the Cloud Peak Energy's Spring Creek mine near Decker, Mont. 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/Matthew Brown,file) less 
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Associated Press | Photo By Matthew Brown,file
Mon, Jul 1, 2013 1:55 PM EDT