The latest leak in the Keystone oil pipeline in North Dakota on Tuesday continues ... manufacturing of the pipe, or ...

The cause of the rupture and the total volume of oil released after the North Dakota spill remain unclear, officials said.

BISMARCK, N.D. (AP) — The nearly 2,700-mile Keystone oil pipeline was shut down Tuesday ... likely because of construction activity altering the land around the pipe. TC Energy said a faulty ...

The latest leak in the Keystone oil pipeline in North Dakota on ... manufacturing of the pipe, or construction of the pipeline.” One example of that is the Kansas leak. The Pipelines and ...

Keystone Oil Pipeline Shutdown Could Quickly Lead to ... since being installed in 2010, likely because of construction activity altering the land around the pipe. TC Energy said a faulty weld ...