| Final Regulations |
DOT - 49 CFR 531, 533, 536, et al - Corporate Average Fuel Economy Standards for Model Years 2024-2026 Passenger Cars and Light Trucks; Final Rule
| 05/02/2022 | National |
| Final Regulations |
40 CFR Chapter I - Endangerment and Cause or Contribute Findings for Greenhouse Gases Under Section 202(a) of the Clean Air Act; Final Action on Petitions
| 04/29/2022 | National |
| Proposed Regulations |
40 CFR 80 - Renewable Fuel Standard Program: Canola Oil Pathways to Renewable Diesel, Jet Fuel, Naphtha, Liquefied Petroleum Gas and Heating Oil
| 04/18/2022 | National |
| Proposed Regulations |
40 CFR 2, 59, 60, et al - Control of Air Pollution From New Motor Vehicles: Heavy Duty Engine and Vehicle Standards; Proposed Rule
| 03/28/2022 | National |
| Proposed Regulations |
40 CFR 87, 1030, and 1031 - Control of Air Pollution From Aircraft Engines: Emission Standards and Test Procedures; Proposed Rule
| 02/03/2022 | National |
| Final Regulations |
40 CFR 86 and 600 - Revised 2023 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions Standards; Final Rule
| 12/30/2021 | National |
| Final Regulations |
40 CFR 52 - Approval and Promulgation of Air Quality Implementation Plans; Washington; Low Emission Vehicle Program
| 11/08/2021 | National |
| Final Regulations |
40 CFR 87 and 1030 - Control of Air Pollution From Airplanes and Airplane Engines: GHG Emission Standards and Test Procedures
| 09/21/2021 | National |
| Proposed Regulations |
40 CFR 86 and 600 - Revised 2023 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions Standards; Proposed Rule
| 08/10/2021 | National |
| Proposed Regulations |
40 CFR 86 and 600 - Public Hearing for Revised 2023 and Later Model Year Light-Duty Vehicle Greenhouse Gas Emissions Standards
| 08/09/2021 | National |
| Proposed Regulations |
40 CFR 1036 and 1037 - Improvements for Heavy-Duty Engine and Vehicle Test Procedures
| 06/29/2021 | National |
| Proposed Regulations |
DOT - 49 CFR 531 and 533 - Corporate Average Fuel Economy (CAFE) Preemption
| 05/12/2021 | National |
| Proposed Regulations |
40 CFR 52 - Air Plan Approval; FL; Prevention of Significant Deterioration Infrastructure Elements
| 03/02/2021 | National |
| Final Regulations |
40 CFR 60 - Pollutant-Specific Significant Contribution Finding for Greenhouse Gas Emissions From New, Modified, and Reconstructed Stationary Sources
| 01/13/2021 | National |
| Final Regulations |
40 CFR 87 and 1030 - Control of Air Pollution From Airplanes and Airplane Engines: GHG Emission Standards and Test Procedures; Final Rule
| 01/11/2021 | National |
| Proposed Regulations |
40 CFR 87 and 1030 - Public Hearing for Control of Air Pollution From Airplanes and Airplane Engines: GHG Emission Standards and Test Procedures
| 08/26/2020 | National |
| Proposed Regulations |
Control of Air Pollution From Airplanes and Airplane Engines: GHG Emission Standards and Test Procedures; Proposed Rule
| 08/20/2020 | National |
| Final Regulations |
40 CFR 86 - Light-Duty Vehicle Greenhouse Gas Program Technical Amendments
| 04/23/2020 | National |
| Final Regulations |
40 CFR 52 - Air Plan Approval; Ohio; Prevention of Significant Deterioration Greenhouse Gas Tailoring Rule
| 02/14/2020 | National |
| Proposed Regulations |
40 CFR 52 - Air Plan Approval; Ohio; Prevention of Significant Deterioration Greenhouse Gas Tailoring Rule
| 11/18/2019 | National |
| Final Regulations |
40 CFR 85 and 86 - The Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule Part One: One National Program
| 09/27/2019 | National |
| Proposed Regulations |
40 CFR 52 - Air Plan Approval; North Carolina: PSD Requirements for GHGs
| 05/23/2019 | National |
| Proposed Regulations |
40 CFR 60 - Review of Standards of Performance for Greenhouse Gas Emissions From New, Modified, and Reconstructed Stationary Sources: Electric Utility Generating Units
| 02/07/2019 | National |
| Proposed Regulations |
40 CFR 60 - Review of Standards of Performance for Greenhouse Gas Emissions From New, Modified, and Reconstructed Stationary Sources: Electric Utility Generating Units
| 12/21/2018 | National |
| Proposed Regulations |
40 CFR 60 - Review of Standards of Performance for Greenhouse Gas Emissions From New, Modified, and Reconstructed Stationary Sources: Electric Utility Generating Units; Proposed Rule
| 12/20/2018 | National |
| Proposed Regulations |
40 CFR 86 - Light-Duty Vehicle GHG Program Technical Amendments
| 10/01/2018 | National |
| Notices |
Agency Information Collection Activities; Voluntary Aluminum Industrial Partnership (VAIP) (Renewal)
| 06/30/2015 | National |
| Notices |
Greenhouse Gas Reporting Program: Publication of Aggregated Greenhouse Gas Data
| 07/09/2014 | National |
| Proposed Regulations |
40 CFR 60 - Carbon Pollution Emission Guidelines for Existing Stationary Sources and Standards for Modified and Reconstructed Stationary
| 07/03/2014 | National |
| Proposed Regulations |
40 CFR 60 - Proposed Carbon Pollution Emission Guidelines for Existing Stationary Sources: Electric Utility Generating Units
| 06/18/2014 | National |
| Proposed Regulations |
40 CFR 60 - Proposed Carbon Pollution Standards for Modified and Reconstructed
| 06/18/2014 | National |
| Notices |
Greenhouse Gas Reporting Program: Publication of Aggregated GHG Data
| 06/09/2014 | National |
| Notices |
40 CFR 98 - Greenhouse Gas Reporting Program: Final Amendments and Confidentiality Determinations for Subpart I
| 05/06/2014 | National |
| Final Regulations |
40 CFR 52 - Air Quality Implementation Plans; South Dakota
| 04/18/2014 | National |
| Notices |
Notice of Decision To Issue Clean Air Act Greenhouse Gas PSD Permit for the La Paloma Energy Center
| 04/08/2014 | National |
| Proposed Regulations |
40 CFR 98 - Greenhouse Gas Reporting Rule: Revisions and Confidentiality Determinations for Petroleum and Natural Gas Systems
| 03/10/2014 | National |
| Notices |
Standards of Performance for GHG Emissions From New Stationary Sources: Electric Utility Generating Units
| 03/06/2014 | National |
| Proposed Regulations |
40 CFR 60, 70, 71 and 98 - Proposed Rule for Standards of Performance for Greenhouse Gas Emissions
| 02/26/2014 | National |
| Proposed Regulations |
40 CFR 82 - Request for Public Engagement in the Interagency Special Report on the Impacts of Climate Change on Human Health in the United States
| 02/07/2014 | National |
| Proposed Regulations |
40 CFR 60 - Standards of Performance for Greenhouse Gas Emissions for New Stationary Sources: Electric Utility Generating Units
| 01/28/2014 | National |