North Dakota oil producers, regulators spar over new rules
September 22, 2015 at 19:43 PM EDT
FARGO, N.D., Sept 22 (Reuters) - North Dakota's oil producers and their federal regulators spared at an industry conference on Tuesday over a raft of new rules with broad implications for energy development, the latest escalation in a war of words that has both parties aiming to sway public opinion.