Oil

Keystone line to remain closed until corrective action taken

Federal regulators have ordered the Keystone pipeline to remain shut down until its Canadian owner takes corrective action aimed at determining the cause of a breach that leaked an estimated 383,000 gallons (1.4 million liters) of oil in northeastern North Dakota.

Keystone pipeline leaks oil in northeastern North Dakota

A pipeline that carries tar sands oil from Canada through seven states has leaked an unknown amount of crude oil over more than quarter-mile swath in northeastern North Dakota, state environmental regulators said Wednesday.