After accidents, U.S. railroads seek tougher tank car standards
NEW YORK (Reuters) - U.S. railroads on Thursday called on regulators to improve safety standards for tank cars carrying flammable liquids following a boom in transporting oil by rail and a spate of accidents and spills.
Most old tank cars must be phased out, and even new cars will require modifications, the Association of American Railroads said in a letter to the U.S. Pipeline and Hazardous Materials Safety Administration.
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