Release of MOVES4 Model for SIPS and Transportation Conformity.

Renewable Fuel Standard (RFS) Program: Standards for 2026 and 2027, Partial Waiver of 2025 Cellulosic Biofuel Volume Requirement, and Other Changes.

California Exhaust Emission Standards and Test Procedures for 2009 through 2017 Model Zero-emission Vehicles and Hybrid Electric Vehicles, in the Passenger Car, Light-duty Truck and Medium-duty Vehicle Classes.

GHG Standards for Heavy-duty Vehicles - Phase 3.

California Evaporative Emission Standards and Test Procedures for 2026 and Subsequent Model Year Passenger Cars, Light-duty Trucks, Medium-duty Vehicles, and Heavy-duty Vehicles.

California 2015 and Subsequent Model Criteria Pollutant and 2017 and Subsequent Model Greenhouse Gas Exhaust Emission Standards and Test Procedures for Passenger Cars, Light-duty Trucks, and Medium-duty Vehicles.

Public Hearing of Determination Mid-term Evaluation of GHG Years 2022-2025 LDV.

California New Vehicle Compliance Test Procedure.

California Exhaust Emission Standards and Test Procedures for 1987 Through 2003 Model Heavy-duty Otto-cycle Engines and Vehicles.

CAFE Environmental Impact Statement Model Year 2022-2025.