Each day that passes, the hundreds of thousands of gallons of sludgy oil coating Mill Creek in north-central Kansas become harder to clean up. That’s because the pipeline that busted just outside the town of…

KANSAS CITY, Mo. — Federal regulators have issued warnings repeatedly over the life of the Keystone pipeline that operators aren’t doing enough to prevent corrosion and don’t follow proper construction procedures. But despite a history…

ISMARCK, N.D. (AP) — A crude oil spill from the Keystone pipeline in eastern North Dakota has turned out to have affected almost 10 times the amount of land as first reported, a state regulator…

BISMARCK, N.D. (AP) — The Keystone pipeline has been restarted nearly two weeks after it leaked an estimated 383,000 gallons of oil in North Dakota. TC Energy says the pipeline “returned to service” Sunday after…