A CSX gondola car full of coal moves through the switchyard in Brunswick, Maryland in this file photo taken October 16, 2012. CSX Corp posted a smaller fourth-quarter profit that missed Wall Street ... more 
A CSX gondola car full of coal moves through the switchyard in Brunswick, Maryland in this file photo taken October 16, 2012. CSX Corp posted a smaller fourth-quarter profit that missed Wall Street estimates by a cent, as coal volumes stayed weak and its shares fell 3 percent. REUTERS/Gary Cameron/Files (UNITED STATES - Tags: BUSINESS TRANSPORT) less 
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Reuters | Photo By GARY CAMERON / REUTERS
Wed, Jan 15, 2014 5:12 PM EST