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

A contractor has been killed and another person hurt in a fire in a gas plant north of Fort St. John, B.C. Alberta-based ...

It could raise prices at the pump within one or two days, but will have a greater impact on diesel and jet fuel, Krishnamoorti ... altering the land around the pipe. TC Energy said a faulty ...