The Obama administration has postponed for a year action on a proposal by the Pipeline and Hazardous Materials Safety Administration to update rail-car safety standards. The rule concerns improving the safety of DOT-111 can-shaped rail cars used to transport oil and chemicals -- the same rail-car type involved in an explosion in Quebec this month. The American Chemistry Council, along with other industry groups, has urged the administration to apply the rules to rail cars built after October 2011, and the rail industry has voluntarily applied tougher standards to cars built since then.

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