PHMSA is publishing this advance notice of proposed rulemaking (ANPRM) to solicit stakeholder feedback on whether to repeal or amend any requirements in the Hazardous Materials Rulemaking Procedures and Program Procedures, or the Hazardous Materials Regulations to eliminate undue burdens on the identification, development, and use of domestic energy resources and to improve government efficiency. Comments on this ANPRM must be received by 4 August 2025. POC is Yul B. Baker Jr., Standards and Rulemaking Division, Office of Hazardous Materials Safety, (202) 366-8553, PHMSA, East Building, PHH10, 1200 New Jersey Avenue SE, Washington, DC 20590. (Federal Register 4 June 2025 [Proposed Rule] pages 23656-23660)