The nearly 2,700-mile Keystone oil pipeline was shut down Tuesday morning after it ruptured in North Dakota, halting the flow of thousands of gallons of crude oil from Canada to refineries in the U.S.

BISMARCK, N.D. (AP) — Trucks and workers started cleaning up the Keystone oil pipeline spill in rural North Dakota, though its cause and the project timing is unclear. The pipeline ruptured Tuesday ...

Symons seized the moment to emphasize that the "Keystone XL pipeline scheme is an oil company wolf hiding in Canadian sheepskin." He explained that instead of reducing this country's reliance on oil ...