The U.S. Department of Transportation's (DOT) Pipeline and Hazardous Materials Safety Administration (PHMSA) published a notice of proposed rulemaking (NPRM) to authorize the transport of liquefied natural gas (LNG) by railroad tank car on 18 October 2019. Specifically, the proposed rule would authorize the movement of LNG by rail in DOT-113 specification tank cars, which are currently used to transport other cryogenic liquids such as ethylene.
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