In this Monday, March 11, 2013 photo, a sign indicates a section 

In this Monday, March 11, 2013 photo, a sign indicates a section of a buried crude oil pipeline in Burke, Vt. Canadian energy officials insist they have no plans to reverse the flow of the pipeline that now carries crude oil from Maine to Montreal, but that has done little to reassure New England towns that are against the idea and the 18 members of Congress asking for a full environmental review. (AP Photo/Wilson Ring)
Associated Press
In this Monday, March 11, 2013 photo, a sign indicates a section of a buried crude oil pipeline in Burke, Vt. Canadian energy officials insist they have no plans to reverse the flow of the pipeline that now carries crude oil from Maine to Montreal, but that has done little to reassure New England towns that are against the idea and the 18 members of Congress asking for a full environmental review. (AP Photo/Wilson Ring)
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