Control of Emissions from New and In-use Highway Vehicles and Engines.

California Exhaust Emission Standards and Test Procedures for 2004 and Subsequent Model Heavy-duty Diesel Engines and Vehicles.

Public Hearing for Corporate Average Fuel Economy Standards: The Safer Affordable Fuel-Efficient (SAFE) Vehicle Rule III for Model Years 2022 to 2031 Passenger Cars and Light Trucks.

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.