2023 Federal Register Notices related to Transportation, Air Pollution, and Climate Change
Federal Register Notices for the current year.
December 2023
- December 26, 2023: California State Motor Vehicle Pollution Control Standards; Advanced Clean Cars II Regulations; Request for Waiver of Preemption; Opportunity for Public Hearing and Public Comment (pdf) (214 KB)
November 2023
- November 8, 2023: Locomotives and Locomotive Engines; Preemption of State and Local Regulations (pdf) (265 KB)
- November 6, 2023: Announcing Upcoming Meeting of Mobile Sources Technical Review Subcommittee (pdf) (218 KB)
October 2023
- October 31, 2023: Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; OnHighway Motorcycle Certification and Compliance Program (pdf) (199 KB)
- October 27, 2023: Transportation and Climate Division (TCD) Grant Program Reporting Templates: Supplemental Project Application Template and Project Reporting Templates for Diesel Emission Reduction Act (DERA), Clean School Bus (CSB), Clean Heavy Duty (CHD), and Clean Ports Grant Programs; EPA ICR No. 2793.01, OMB Control No. 2060–NEW (pdf) (184 KB)
- October 20, 2023: Finding That Lead Emissions From Aircraft Engines That Operate on Leaded Fuel Cause or Contribute to Air Pollution That May Reasonably Be Anticipated To Endanger Public Health and Welfare (pdf) (693 KB)
- October 20, 2023: California State Nonroad Engine Pollution Control Standards; OceanGoing Vessels At-Berth; Notice of Decision (pdf) (507 KB)
- October 12, 2023: Reformulated Gasoline Covered Areas (pdf) (333 KB)
September 2023
- September 12, 2023: Official Release of the MOVES4 Motor Vehicle Emissions Model for SIPs and Transportation Conformity (pdf) (233 KB)
August 2023
- August 14, 2023: Renewable Fuel Standard (RFS) Program Compliance; Notification of Webinar (pdf) (189 KB)
- August 8, 2023: Proposed Information Collection Request; Comment Request; Transportation Conformity Determinations for Federally Funded and Approved Transportation Plans, Programs and Projects, EPA ICR No. 2130.07, OMB Control No. 2060–0561 (pdf) (210 KB)
- August 3, 2023: Renewable Fuel Standard (RFS) Program: Standards for 2023–2025 and Other Changes; Correction (pdf) (219 KB)
July 2023
- July 31, 2023: Proposed Information Collection Request; Comment Request; Information Collection Request (ICR) for On-Highway Motorcycle Certification and Compliance Program; EPA (pdf) (195 KB)
- July 27, 2023: Notice of Transfer of Data Potentially Claimed as Confidential Business Information Under the Clean Air Act to the United States Energy Information Administration (pdf) (181 KB)
- July 20, 2023: Notice of July 2023 Denial of Petitions for Small Refinery Exemptions Under the Renewable Fuel Standard Program (pdf) (177 KB)
- July 17, 2023: Announcing Upcoming Meeting of Mobile Sources Technical Review Subcommittee (pdf) (181 KB)
- July 12, 2023: Renewable Fuel Standard (RFS) Program: Standards for 2023–2025 and Other Changes (pdf) (2.0 MB)
- July 5, 2023: Proposed Information Collection Request; Comment Request; Registration of Fuels and Fuel Additives—Requirements for Manufacturers (Renewal) (pdf) (179 KB)
- July 5, 2023: Alternative Methods for Calculating Off-Cycle Credits Under the Light-Duty Vehicle Greenhouse Gas Emissions Program: Applications From Ford Motor Company (pdf) (218 KB)
- July 5, 2023: Proposed Information Collection Request; Comment Request; Registration of Fuels and Fuel Additives—Health-Effects Research Requirements for Manufacturers; EPA ICR No. 1696.11, OMB Control No. 2060–0297 (pdf) (178 KB)
June 2023
- June 30, 2023: Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; Importation of On-Highway Vehicles and Motorcycles and Nonroad Engines, Vehicles, and Equipment (Renewal) (pdf) (177 KB)
- June 29, 2023: Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; Emission Control System Performance Warranty Regulations and Voluntary Aftermarket Part Certification Program (Renewal) (pdf) (197 KB)
- June 7, 2023: Agency Information Collection Activities; Proposed Information Collection Request; Comment Request; Waiver From Tier 4 Emission Standards for Marine Diesel Engines (Renewal) (pdf) (201 KB)
May 2023
- May 30, 2023: Proposed Information Collection Request; Comment Request; Recordkeeping and Reporting Requirements for Fuels Regulatory Streamlining (pdf) (197 KB)
- May 23, 2023: California State Nonroad Engine Pollution Control Standards; Small OffRoad Engines; Request for Authorization; Opportunity for Public Hearing and Comment (pdf) (207 KB)
- May 8, 2023: Development of Guidance for ZeroEmission Clean Heavy-Duty Vehicles, Port Equipment, and Fueling Infrastructure Deployment Under the Inflation Reduction Act Funding Programs (pdf) (207 KB)
- May 5, 2023: Multi-Pollutant Emissions Standards for Model Years 2027 and Later LightDuty and Medium-Duty Vehicles (pdf) (4.9 MB)
April 2023
- April 27, 2023: Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles—Phase 3 (pdf) (4.0 MB)
- April 27, 2023: California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft; Notice of Public Hearing (pdf) (199 KB)
- April 24, 2023: Public Hearing for Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles (pdf) (226 KB)
- April 20, 2023: California State Nonroad Engine Pollution Control Standards; Large Spark-Ignition (LSI) Engines; Notice of Decision (pdf) (214 KB)
- April 17, 2023: Public Hearing for Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles—Phase 3 (pdf) (181 KB)
- April 14, 2023: Announcing Upcoming Meeting of Mobile Sources Technical Review Subcommittee (pdf) (183 KB)
- April 7, 2023: Transfer of Information Claimed as Confidential Business Information to the United States Department of Energy/Argonne National Laboratory (pdf) (170 KB)
- April 6, 2023: California State Motor Vehicle and Engine Pollution Control Standards; Heavy-Duty Vehicle and Engine Emission Warranty and Maintenance Provisions; Advanced Clean Trucks; Zero Emission Airport Shuttle; ZeroEmission Power Train Certification; Waiver of Preemption; Notice of Decision (pdf) (390 KB)
March 2023
- March 29, 2023: Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; Emissions Certification and Compliance Requirements for Nonroad Compression-Ignition Engines and OnHighway Heavy Duty Engines (Renewal) (pdf) (178 KB)
- March 17, 2023: California State Nonroad Engine Pollution Control Standards; OceanGoing Vessels At-Berth and Commercial Harbor Craft; Requests for Authorization; Opportunity for Public Hearing and Comment (pdf) (225 KB)
- March 13, 2023: Control of Air Pollution From New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards; Correction (pdf) (221 KB)
- March 6, 2023: Request From States for Removal of Gasoline Volatility Waiver (pdf) (309 KB)
January 2023
- January 27, 2023: Proposed Information Collection Request; Comment Request; Emissions Certification and Compliance Requirements for Nonroad Compression-Ignition Engines and OnHighway Heavy Duty Engines (Revision) (pdf) ( 210 KB)
- January 24, 2023: Control of Air Pollution From New Motor Vehicles: Heavy-Duty Engine and Vehicle Standards (pdf) (19 MB)