The Association of American Railroads expressed its support for an Obama administration plan to update safety rules for DOT-111 tank cars, although the new standards are expected to be unveiled in 2014. "If safer and better DOT-111s can be had, then it makes good sense to ensure that the design and standards that these cars are built to must be tougher than the federal standards that exist today," said AAR spokeswoman Patricia Reilly.

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