Monday, November 8th 2021 Department of Transportation

Pipeline and Hazardous Materials Safety Administration

FR 86 61731- 61745

49 CFR Part 172 [Docket No. PHMSA–2021–0058

(HM–264A)] RIN 2137–AF55

Hazardous Materials: Suspension of HMR Amendments

Authorizing Transportation of Liquefied Natural Gas by Rail

ACTION: Notice of proposed rulemaking.

SUMMARY: PHMSA, in coordination with the Federal Railroad

Administration (FRA), proposes to amend the Hazardous Materials Regulations to suspend authorization of liquefied natural gas (LNG) transportation in rail tank cars pursuant to a final rule published in July 2020, pending the earlier of either completion of a separate rulemaking under RIN 2137–AF54 evaluating potential modifications to requirements governing rail tank car transportation of LNG, or June 30, 2024.

DATES: Comments must be received by December 23, 2021. To the extent possible, PHMSA will consider late filed comments as a final rule is developed.

Read more: https://www.govinfo.gov/content/pkg/FR-2021-11-08/pdf/2021-23132.pdf