United States Government Publishing Office publisher pbl distributor dst United States National Archives and Records Administration Office of the Federal Register author aut Government Organization text government publication eng FR Regulatory Information 2022_register executive 2022-09-12 article Part II Proposed Rules D09002ee1c7a27a32 D09002ee1c7a27c51 United States Department of Transportation originator org United States Government Agency or Subagency United States National Highway Traffic Safety Administration originator org United States Government Agency or Subagency The National Highway Traffic Safety Administration (NHTSA) is proposing minor technical amendments to the test procedures for heavy- duty engines and vehicles to improve accuracy and reduce testing burden. These amendments affect the certification procedures for fuel efficiency standards and related requirements. These proposed amendments increase compliance flexibility, harmonize with other requirements, add clarity, correct errors, and streamline the regulations. Given the nature of the proposed changes, NHTSA does not expect either significant environmental impacts or significant economic impacts for any sector. 87 FR 56156 https://www.govinfo.gov/app/details/FR-2022-09-13/2022-17134 2022-17134 fr13se22-19 RIN 2127-AM28 4910-59-P NHTSA-2020-0079 https://www.govinfo.gov/app/details/FR-2022-09-13/2022-17134 https://www.govinfo.gov/content/pkg/FR-2022-09-13/html/2022-17134.htm https://www.govinfo.gov/content/pkg/FR-2022-09-13/pdf/2022-17134.pdf Energy Conservation Fuel Fuel Economy Motor Vehicles 47 p. 56156 56202 87 FR 56156 Title 49 Part 535 49 CFR Part 535 RIN 2127-AM28 Improvements for Heavy-Duty Engine and Vehicle Fuel Efficiency Test Procedures, and Other Technical Amendments; Federal Register Vol. 87, Issue PRORULE 2022-17134 II DEPARTMENT OF TRANSPORTATION National Highway Traffic Safety Administration 2022-11-14 NHTSA-2020-0079 4910-59-P 2022-17134 Proposed rule.

The National Highway Traffic Safety Administration (NHTSA) is proposing minor technical amendments to the test procedures for heavy- duty engines and vehicles to improve accuracy and reduce testing burden. These amendments affect the certification procedures for fuel efficiency standards and related requirements. These proposed amendments increase compliance flexibility, harmonize with other requirements, add clarity, correct errors, and streamline the regulations. Given the nature of the proposed changes, NHTSA does not expect either significant environmental impacts or significant economic impacts for any sector.

Comments: Comments are requested on or before November 14, 2022. Gregory Powell, Office of Rulemaking, Fuel Economy Division, National Highway Traffic Safety Administration, 1200 New Jersey Avenue SE, Washington, DC 20590; telephone number: (202) 493-0515. Energy Conservation Fuel Fuel Economy Motor Vehicles Improvements for Heavy-Duty Engine and Vehicle Fuel Efficiency Test Procedures, and other Technical Amendments, https://www.ecfr.gov/cgi-bin/text-idx?SID=7031ab132d93d2ab3729f7c3b8e412f0&mc=true&node=pt49.6.535&rgn=div5 https://www.epa.gov/regulations-emissions-vehicles-and-engines/greenhouse-gas-emissions-model-gem-medium-and-heavy-duty https://www.regulations.gov Vol. 87, no. 176 Office of the Federal Register, National Archives and Records Administration 2022-09-13 continuing daily deposited born digital 346 p. Table of Contents: AE 2.7: GS 4.107: AE 2.106: KF70.A2 https://www.govinfo.gov/app/details/FR-2022-09-13 P0b002ee1b71a1fd0 0097-6326 0042-1219 0364-1406 769-004-00000-9 000582072 f:fr13se22 https://www.govinfo.gov/app/details/FR-2022-09-13 https://www.govinfo.gov/content/pkg/FR-2022-09-13/pdf/FR-2022-09-13.pdf https://www.govinfo.gov/content/pkg/FR-2022-09-13/xml/FR-2022-09-13.xml fdlp 55901 56237 DGPO 2022-09-12 2024-05-29 FR-2022-09-13 machine generated eng FR FR-2022-09-13 87 176