FILE - In this May, 29, 2012, file photo, a train hauling coal from an Arch Coal Inc. mine in the Powder River basin of Montana and Wyoming heads north out of downtown Seattle. Arch Coa

 

              FILE - In this May, 29, 2012, file photo, a train hauling coal from an Arch Coal Inc. mine in the Powder River basin of Montana and Wyoming heads north out of downtown Seattle. Arch Coa
FILE - In this May, 29, 2012, file photo, a train hauling coal from an Arch Coal Inc. mine in the Powder River basin of Montana and Wyoming heads north out of downtown Seattle. Arch Coal Inc. says its cost-cutting efforts helped boost third-quarter earnings, which were well above Wall Street expectations. (AP Photo/Elaine Thompson, File)