WRAL.com | Oil in North Dakota derailment was treated to cut volatility WRAL.com BISMARCK, N.D. — A shipment of oil involved in an explosive train derailment in North Dakota had been treated to reduce its volatility — a move that state officials suggested could have reduced the severity of the accident but won't prevent others ... Oil on Derailed Train in North Dakota Met State Rule, Hess Says Obama's Oil Train Regs Don't Solve The Derailment Problem Oil company: Shipment in North Dakota train derailment had been treated to ... |