If U.S. rejects Keystone XL pipeline, Canadian oil giant could transport crude oil to Gulf Coast via St. Lawrence Seaway.
"Environmental groups on the U.S. and Canadian sides of the border are keeping an eye on the massive Keystone XL oil pipeline planned from western Canada to the Gulf Coast of Texas: If it is not approved by the U.S. government, the Canadian oil giant that crafted the proposal could decide instead to ship its crude oil east through the St. Lawrence Seaway with ocean freighters, looping around the East Coast to get to Gulf Coast refineries."