2021 Federal Register Notices for EPA's Office of Transportation and Air Quality
Federal Register Notices for the current year.
December 2021
- December 30, 2021: Revised 2023 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions Standards (pdf) (93 pp, 2 MB)
- December 30, 2021: Public Hearing for Control of Air Pollution from Aircraft Engines: Emission Standards and Test Procedures (pdf) (2 pp, 191 K)
- December 28, 2021: Announcing Upcoming Virtual Meeting on Biofuel Greenhouse Gas Modeling (pdf) (2 pp, 190 K)
- December 21, 2021: Renewable Fuel Standard (RFS) Program: RFS Annual Rules (PDF) (66 pp, 656 K)
- December 14, 2021: Notice of Opportunity To Comment on Proposed Denial of Petitions for Small Refinery Exemptions (PDF) (2 pp, 201 K)
- December 10, 2021: Public Hearing for RFS Annual Rules (PDF) (2 pp, 229 K)
November 2021
- November 30, 2021: Information Collection Request Submitted to OMB for Review and Approval; Comment Request; Certification and Compliance Requirements for Nonroad SparkIgnition Engines (Renewal) (PDF) (2 pp, 187 K)
- November 26, 2021: Renewable Fuel Standard (RFS) Program: Extension of Compliance and Attest Engagement Reporting Deadlines (PDF) (6 pp, 262 K)
October 2021
- October 1, 2021: Announcing Upcoming Meeting of Mobile Sources Technical Review Subcommittee (PDF) (2 pp, 213 K)
September 2021
- September 23, 2021: Improvements for Heavy-Duty Engine and Vehicle Test Procedures, and Other Technical Amendments (PDF) (5 pp, 503 K)
- September 22, 2021: Control of Air Pollution From Airplanes and Airplane Engines: GHG Emission Standards and Test Procedures (PDF) (1 pp, 236 K)
August 2021
- August 16, 2021: California State Nonroad Engine Pollution Control Standards; Large Spark-Ignition Engines Fleets Regulation; Request for Authorization; Opportunity for Public Hearing and Comment (PDF) (3 pp, 235 K)
- August 16, 2021: Proposed Information Collection Request; Comment Request; Diesel Emissions Reduction Act (DERA) Rebate Program; EPA ICR No. 2461.04, OMB Control No. 2060–0686 Renewal (PDF) (2 pp, 185 K)
- August 13, 2021: Information Collection Request Submitted to OMB for Review and Approval; Comment Request; Data Reporting Requirements for State and Local Vehicle Emission Inspection and Maintenance (I/M) Programs (Renewal) (PDF) (2 pp, 206 K)
- August 10, 2021: Revised 2023 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions Standards (PDF) (86 pp, 1.7 MB)
- August 9, 2021: Public Hearing for Revised 2023 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions Standards (PDF) (2 pp, 229 K)
July 2021
- July 16, 2021: Removal of the Federal Reformulated Gasoline Program From the Southern Maine Area (PDF) (3 pp, 241 K)
June 2021
- June 29, 2021: Final rule: Improvements for Heavy-Duty Engine and Vehicle Test Procedures, and Other Technical Amendments (PDF) (283 pp, 41 MB)
- June 29, 2021: Notice of proposed rulemaking: Improvements for Heavy-Duty Engine and Vehicle Test Procedures (PDF) (6 pp, 349 K)
- June 2, 2021: Proposed Information Collection Request; Comment Request; Certification and Compliance Requirements for Nonroad SparkIgnition Engines (Renewal), ICR 1695.14, OMB 2060–0338 (PDF) (3 pp, 234 K)
- June 1, 2021: Request for Nominations for Mobile Sources Technical Review Subcommittee (MSTRS) (PDF) (2 pp, 222 K)
May 2021
- May 17, 2021: Announcing Upcoming Meeting of Mobile Sources Technical Review Subcommittee (PDF) (1 pp, 212 K)
- May 7, 2021: Proposed Information Collection Request; Comment Request; Aircraft Engines—Supplemental Information Related to Exhaust Emissions (PDF) (2 pp, 223 K)
- May 5, 2021: Disclosure of Information Claimed as, or Determined by EPA To Be, Confidential Business Information in Renewable Fuel Standard (RFS) Small Refinery Exemption Petitions and All RFS Related Information in EPA’s Moderated Transaction System (EMTS) (PDF) (2 pp, 203 K)
April 2021
- April 30, 2021: Information Collection Request Submitted to OMB for Review and Approval; Comment Request; EPA’s Light-Duty In-Use Vehicle Testing Program (PDF) (2 pp, 225 K)
- April 28, 2021: California State Motor Vehicle Pollution Control Standards; Advanced Clean Car Program; Reconsideration of a Previous Withdrawal of a Waiver of Preemption; Opportunity for Public Hearing and Public Comment (PDF) (10 pp, 326 K)
- April 6, 2021: Alternative Method for Calculating OffCycle Credits Under the Light-Duty Vehicle Greenhouse Gas Emissions Program: Application From General Motors Corporation LLC (GM) (PDF) (2 pp, 244 K)
- April 5, 2021: Alternative Method for Calculating Off-Cycle Credits Under the Light-Duty Vehicle Greenhouse Gas Emissions Program: Application From Fiat Chrysler Automobiles NV (FCA) (PDF) (2 pp, 247 K)
- April 1, 2021: Extension of 2019 and 2020 Renewable Fuel Standard Compliance and Attest Engagement Reporting Deadlines (PDF) (6 pp, 298 K)
March 2021
- March 19, 2021: Proposed Information Collection Request; Comment Request; Fuel Use Requirements for Great Lake Steamships (Renewal) (PDF) (2 pp, 215 K)
- March 1, 2021: Proposed Information Collection Request; Comment Request; Data Reporting Requirements for State and Local Vehicle Emission Inspection and Maintenance (I/M) Programs (PDF) (2 pp, 219 K)
February 2021
- February 24, 2021: Information Collection Request Submitted to OMB for Review and Approval; Comment Request; SmartWay Transport Partnership (Renewal) (PDF) (2 pp, 214 K)
- February 8, 2021: Alternative Method for Calculating OffCycle Credits Under the Light-Duty Vehicle Greenhouse Gas Emissions Program: Applications From Nissan North America, Inc. (PDF) (3 pp, 245 K)
January 2021
- January 19, 2021: E15 Fuel Dispenser Labeling and Compatibility With Underground Storage Tanks (PDF) (11 pp, 419 K)
- January 19, 2021: Notice of Receipt of Petitions for a Waiver of the 2019 and 2020 Renewable Fuel Standards (PDF) (3 pp, 239 K)
- January 15, 2021: Final Anti-Backsliding Determination for Renewable Fuels and Air Quality (PDF) (1 pp, 221 K)
- January 15, 2021: Extension of 2019 and 2020 Renewable Fuel Standard Compliance and Attest Engagement Reporting Deadlines (PDF) (5 pp, 263 K)
- January 11, 2021: Control of Air Pollution From Airplanes and Airplane Engines: GHG Emission Standards and Test Procedures (PDF) (39 pp, 3.3 MB)
- January 7, 2021: Official Release of the MOVES3 Motor Vehicle Emissions Model for State Implementation Plans and Transportation Conformity (PDF) (5 pp, 260 K)