Federal Register Notices related to Transportation, Air Pollution, and Climate Change
May 2025
- May 5, 2025: Agency Information Collection Activities; Proposed Information Collection Request; Comment Request; Certification and Compliance Requirements for Nonroad Spark Ignition Engines (Renewal) (pdf) (206 KB)
April 2025
- April 30, 2025: Agency Information Collection Activities; Proposed Information Collection Request; Comment Request; Renewable Fuel Standard (RFS) Program, EPA ICR No. 2546.04, OMB Control Number 2060–0725 (pdf) (214 KB)
- April 28, 2025: Certain New Chemicals or Significant New Uses; Statements of Findings February 2025 (pdf) (208 KB)
March 2025
- March 28, 2025: Agency Information Collection Activities; Submission to the Office of Management and Budget for Review and Approval; Comment Request; SmartWay Transport Partnership (Renewal) (pdf) (215 KB)
- March 20, 2025: Extension of Effective Date for Removal of Gasoline Volatility Waiver for Ohio and Nine Counties in South Dakota (pdf) (281 KB)
- March 14, 2025: Renewable Fuel Standard (RFS) Program: Extension of 2024 Compliance Reporting Deadline (pdf) (256 KB)
January 2025
- January 15, 2025: Fuels Regulatory Streamlining Sampling and Testing Updates (pdf) (2.0 MB)
- January 10, 2025: California State Nonroad Engine Pollution Control Standards; Commercial Harbor Craft Regulations; Notice of Decision (pdf) (184 KB)
- January 10, 2025: California State Nonroad Engine Pollution Control Standards; In-Use Diesel-Fueled Transport Refrigeration Units (TRU) and TRU Generator Sets; Notice of Decision (pdf) (177 KB)
- January 10, 2025: California State Nonroad Engine Pollution Control Standards; In-Use Off-Road Diesel Fueled Fleets; Notice of Decision (pdf) (185 KB)
- January 6, 2025: California State Nonroad Engine Pollution Control Standards; Small Off-Road Engines Regulations; Notice of Decision (pdf) (186 KB)
- January 6, 2025: California State Motor Vehicle and Engine and Nonroad Engine Pollution Control Standards; The ‘‘Omnibus’’ Low NOX Regulation; Waiver of Preemption; Notice of Decision (pdf) (217 KB)
- January 6, 2025: California State Motor Vehicle and Engine Pollution Control Standards; Advanced Clean Cars II; Waiver of Preemption; Notice of Decision (pdf) (195 KB)
- January 2, 2025: 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. 2793.02 OMB Control No. 2060–0754 (pdf) (183 KB)