The Hill | Keystone Pipeline Resume Oil Flows U.S. News & World Report BISMARCK, N.D. (AP) — TransCanada Corp. has resumed sending oil through the Keystone Pipeline after a weeklong shutdown prompted by a leak and oil spill in southeastern South Dakota. The pipeline came back online Sunday, but with a reduced ... TransCanada Restarts Keystone Oil Pipeline After Leak — Energy Journal Keystone pipeline restarts after oil leak Keystone pipeline up and running again after South Dakota oil spill |