FRIDAY, JULY 24TH 2020  DEPARTMENT OF TRANSPORTATION 

Pipeline and Hazardous Materials Safety Administration  FR 85 44994-45030

49 CFR Parts 172, 173, 174, 179, and 180  [Docket No. PHMSA–2018–0025 (HM–264)] RIN 2137–AF40 

Hazardous Materials: Liquefied Natural Gas by Rail 

ACTION: Final rule

SUMMARY: PHMSA, in coordination with the Federal Railroad  Administration (FRA), is amending the Hazardous Materials Regulations (HMR) to allow for the bulk transport of ‘‘Methane,  refrigerated liquid,’’ commonly known as liquefied natural gas  (LNG), in rail tank cars. This rulemaking authorizes the transportation of LNG by rail in DOT–113C120W specification rail tank cars with enhanced outer tank requirements, subject to all applicable requirements and certain additional operational controls.  The enhancements to the outer tank are indicated by the new  specification suffix ‘‘9’’ (DOT– 113C120W9). 

DATES: Effective date: This rule is effective August 24, 2020.  Voluntary compliance date: Voluntary compliance is authorized July 24, 2020

https://www.govinfo.gov/app/details/FR-2020-07-24/2020-13604