Pipes for underground fuel transport for TransCanada Corp.'s Keystone XL pipeline lie in a field in Gascoyne, North Dakota April 23, 2013. A U.S. State Department study on the environmental impact of ... more 
Pipes for underground fuel transport for TransCanada Corp.'s Keystone XL pipeline lie in a field in Gascoyne, North Dakota April 23, 2013. A U.S. State Department study on the environmental impact of the Keystone XL oil pipeline will not represent a final decision on whether the United States will allow the project to go forward, White House spokesman Jay Carney said on Friday. Picture taken April 23, 2013. REUTERS/Nathan VanderKlippe/The Globe and Mail (UNITED STATES - Tags: POLITICS ENERGY) NO SALES. NO ARCHIVES. FOR EDITORIAL USE ONLY. NOT FOR SALE FOR MARKETING OR ADVERTISING CAMPAIGNS. CANADA OUT. NO COMMERCIAL OR EDITORIAL SALES IN CANADA less 
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Reuters | Photo By Nathan VanderKlippe/Globe & Mail / REUTERS
Fri, Jan 31, 2014 1:27 PM EST