| http://www.w3.org/ns/prov#value | - auling significantly more crude oil.U.S. railroads are supporting new safety standards for rail cars that haul flammable liquids to address flaws that can allow crude oil, ethanol and other substances to leak during accidents.The Association of American Railroads said Thursday that railroads support making upgrades to the fleet of 92,000 tank cars that carry flammable liquids.
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