FILE - In this July 6, 2013 file-pool photo, emergency workers examine the aftermath of a train derailment and fire in Lac-Megantic, Quebec. Federal regulators issued an emergency order Tuesday

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FILE - In this July 6, 2013 file-pool photo, emergency workers examine the aftermath of a train derailment and fire in Lac-Megantic, Quebec. Federal regulators issued an emergency order Tuesday requiring tests of crude oil before shipment by rail to determine how susceptible it is to explosion or fire, a response to a string of train accidents since last summer involving oil from the Bakken region of North Dakota and Montana. A runaway train with 72 tank cars of Bakken oil derailed, exploded and burned in the downtown area of Lac-Megantic, Quebec, near the Maine border in July. Forty-seven people were killed and 30 buildings destroyed. Oil trains have also exploded and burned in North Dakota and Alabama in recent months. (AP Photo/Ryan Remiorz, File-Pool)

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Associated Press
Tue, Feb 25, 2014 11:49 PM EST