# Regulus search export

- Query: `86 FR 61731`
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- Exported: 2026-08-24T14:10:26.280Z

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

**Citation:** 86 FR 61731  
**Type / status:** rulemaking / proposed  
**Agency:** Pipeline and Hazardous Materials Safety Administration  
**Effective / published:** Not stated / 2021-11-08

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.

### Provenance

- Official: Yes
- Source: <https://www.federalregister.gov/documents/2021/11/08/2021-23132/hazardous-materials-suspension-of-hmr-amendments-authorizing-transportation-of-liquefied-natural-gas>
- Source ID: `federal-register`
- SHA-256: `e504166e59c6f9facddc3e155a60f472680d1b49cdd66c6a2f060471deb93de9`
- Retrieved: 2026-08-20T06:04:51.294Z
- Document slug: `federal-register-2021-23132`
- Related records: 11