Hazardous Materials: Suspension of HMR Amendments Authorizing Transportation of Liquefied Natural Gas by Rail

Protection of the environment (TBT)

Transport of liquefied natural gas by rail

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03.220.30 - Transport by rail; 03.220.30 - Transport by rail; 13.020 - Environmental protection; 13.020 - Environmental protection; 75.060 - Natural gas; 75.060 - Natural gas

Final rule - PHMSA, in coordination with the Federal Railroad Administration (FRA), is amending the Hazardous Materials Regulations to suspend authorization of liquefied natural gas (LNG) transportation in rail tank cars pursuant to a final rule published on 24 July 2020, pending the earlier of either completion of a companion rulemaking evaluating potential modifications to requirements governing rail tank car transportation of LNG, or 30 June 2025.This final rule is effective on 31 October 2023.This final rule and the notice of proposed rulemaking notified as G/TBT/N/USA/1801 are identified by Docket Number PHMSA-2021-0058. The Docket Folder is available on Regulations.gov at https://www.regulations.gov/docket/PHMSA-2021-0058/document and provides access to primary and supporting documents as well as comments received. Documents are also accessible from Regulations.gov by searching the Docket Number. The text of the regulation is accessible at 49 CFR Part 172: https://www.ecfr.gov/current/title-49/subtitle-B/chapter-I/subchapter-C/part-172?toc=1

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