EnergyWire: North Dakota needs to do more to ensure that pipelines can safely carry the rapidly expanding oil production from the Bakken Shale, state officials, transportation experts and environmentalists said after a pipeline leaked 20,600 barrels in a wheat field last week.
It typically takes months to determine the cause of a pipeline leak. The North Dakota accident fits a general pattern, though, of pipeline problems that critics have pointed out over the past few years -- it involved an older pipeline...