| Final Regulations |
40 CFR 2, 98, and 99 - Waste Emissions Charge for Petroleum and Natural Gas Systems: Procedures for Facilitating Compliance, Including Netting and Exemptions; Final Rule
| 11/18/2024 | National |
| Notices |
Proposed New Collection and Request for Comment; Threshold Setting Data Needs for the Label Program for Low Embodied Carbon Construction Materials
| 11/07/2024 | National |
| Notices |
Notice of Public Environmental Financial Advisory Board Webinar
| 10/25/2024 | National |
| Proposed Regulations |
40 CFR 52 - Approval and Promulgation of Implementation Plans; California; California Mobile Source Regulations
| 10/11/2024 | National |
| Notices |
Alternative Methods for Calculating Off-Cycle Credits Under the Light-Duty Vehicle Greenhouse Gas Emissions Program: Application From Jaguar Land Rover North America, LLC
| 09/23/2024 | National |
| Notices |
Use of Advanced and Emerging Technologies for Quantification of Annual Facility Methane Emissions Under the Greenhouse Gas Reporting Program
| 09/23/2024 | National |
| Final Regulations |
40 CFR 98 - Greenhouse Gas Reporting Rule: Revisions and Confidentiality Determinations for Petroleum and Natural Gas Systems; Correction
| 09/04/2024 | National |
| Notices |
Use of Advanced and Emerging Technologies for Quantification of Annual Facility Methane Emissions Under the Greenhouse Gas Reporting Program
| 08/29/2024 | National |
| Final Regulations |
40 CFR 52 - Air Plan Approval; Connecticut; Low Emissions Vehicles Program
| 07/15/2024 | National |
| Final Regulations |
40 CFR 1036, 1037, and 1065 - Greenhouse Gas Emissions Standards for Heavy Duty Vehicles--Phase 3; Correction
| 06/17/2024 | National |
| Final Regulations |
40 CFR 85 and 86 - Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles; Correction
| 06/13/2024 | National |
| Final Regulations |
40 CFR 98 - Greenhouse Gas Reporting Rule: Revisions and Confidentiality Determinations for Petroleum and Natural Gas Systems; Final Rule
| 05/14/2024 | National |
| Final Regulations |
40 CFR 60 - New Source Performance Standards for Greenhouse Gas Emissions From New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units
| 05/09/2024 | National |
| Final Regulations |
40 CFR 9 and 98 - Revisions and Confidentiality Determinations for Data Elements Under the Greenhouse Gas Reporting Rule; Final Rule
| 04/25/2024 | National |
| Final Regulations |
40 CFR 86, 1036, 1037, et al - Greenhouse Gas Emissions Standards for Heavy Duty Vehicles--Phase 3; Final Rule
| 04/22/2024 | National |
| Final Regulations |
40 CFR 85, 86, 600, et al - Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles; Final Rule
| 04/18/2024 | National |
| Proposed Regulations |
DOT - 49 CFR 571 - Federal Motor Vehicle Safety Standards; Fuel System Integrity of Hydrogen Vehicles; Compressed Hydrogen Storage System Integrity; Incorporation by Reference; Proposed Rule
| 04/17/2024 | National |
| Final Regulations |
DOT - 23 CFR 490 - National Performance Management Measures; Assessing Performance of the National Highway System, Greenhouse Gas Emissions Measure; Final Rule
| 12/07/2023 | National |
| Proposed Regulations |
40 CFR Part 60 - New Source Performance Standards for Greenhouse Gas Emissions
| 11/20/2023 | National |
| Final Regulations |
40 CFR 1074 - Locomotives and Locomotive Engines; Preemption of State and Local Regulations
| 11/08/2023 | National |
| Proposed Regulations |
DOT - 49 CFR 531, 533, 535, and 537 - Corporate Average Fuel Economy Standards for Passenger Cars and Light Trucks for Model Years 2027-2032 and Fuel Efficiency Standards for Heavy-Duty Pickup Trucks and Vans for Model Years 2030-2035; Proposed Rule
| 08/17/2023 | National |
| Proposed Regulations |
40 CFR 98 - Greenhouse Gas Reporting Rule: Revisions and Confidentiality Determinations for Petroleum and Natural Gas Systems; Proposed Rule
| 08/01/2023 | National |
| Proposed Regulations |
40 CFR 60 - New Source Performance Standards for Greenhouse Gas Emissions From New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units
| 06/16/2023 | National |
| Proposed Regulations |
40 CFR 60 - New Source Performance Standards for Greenhouse Gas Emissions From New, Modified, and Reconstructed Fossil Fuel-Fired Electric Generating Units
| 05/23/2023 | National |
| Proposed Regulations |
40 CFR 98 - Revisions and Confidentiality Determinations for Data Elements Under the Greenhouse Gas Reporting Rule; Proposed Rule
| 05/22/2023 | National |
| Final Regulations |
40 CFR 52 - Air Plan Approval, Conditional Approval, Limited Approval and Limited Disapproval; Colorado
| 05/09/2023 | National |
| Proposed Regulations |
40 CFR 1036, 1037, et al. - Greenhouse Gas Emissions Standards for Heavy-Duty Vehicles--Phase 3; Proposed Rule
| 04/27/2023 | National |
| Proposed Regulations |
40 CFR 85, 86, 600, 1036, 1037, and 1066 - Public Hearing for Multi-Pollutant Emissions Standards for Model Years 2027 and Later Light-Duty and Medium-Duty Vehicles
| 04/24/2023 | National |
| Final Regulations |
DOT - 23 CFR 680 - National Electric Vehicle Infrastructure Standards and Requirements; Final Rule
| 02/28/2023 | National |
| Final Regulations |
40 CFR 52 - Air Plan Approval; California; Innovative Clean Transit Regulation
| 02/16/2023 | National |
| Proposed Regulations |
40 CFR 84 - Phasedown of Hydrofluorocarbons: Restrictions on the Use of Certain Hydrofluorocarbons Under Subsection (i) the American Innovation and Manufacturing Act of 2020
| 12/15/2022 | National |
| Proposed Regulations |
40 CFR 60 - Standards of Performance for New, Reconstructed, and Modified Sources and Emissions Guidelines for Existing Sources: Oil and Natural Gas Sector Climate Review; Proposed Rule
| 12/06/2022 | National |
| Final Regulations |
40 CFR 80 - Renewable Fuel Standard Program: Canola Oil Pathways to Renewable Diesel, Jet Fuel, Naphtha, Liquefied Petroleum Gas, and Heating Oil
| 12/02/2022 | National |
| Final Regulations |
40 CFR 52 - Limited Approval, Limited Disapproval of California Air Plan Revisions; California Air Resources Board
| 09/30/2022 | National |
| Proposed Regulations |
DOT - 49 CFR 535 - Improvements for Heavy-Duty Engine and Vehicle Fuel Efficiency Test Procedures, and Other Technical Amendments; Proposed Rule
| 09/13/2022 | National |
| Final Regulations |
40 CFR 1036 and 1037 - Improvements for Heavy-Duty Engine and Vehicle Test Procedures
| 07/28/2022 | National |
| Proposed Regulations |
40 CFR 9 and 98 - Revisions and Confidentiality Determinations for Data Elements Under the Greenhouse Gas Reporting Rule; Extension of Comment Period
| 07/19/2022 | National |
| Proposed Regulations |
DOT - 23 CFR 490 - National Performance Management Measures; Assessing Performance of the National Highway System, Greenhouse Gas Emissions Measure
| 07/15/2022 | National |
| Proposed Regulations |
40 CFR 9 and 98 - Revisions and Confidentiality Determinations for Data Elements Under the Greenhouse Gas Reporting Rule; Proposed Rule
| 06/21/2022 | National |
| 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 |