California Air Resources Board

Outlined below are the fact sheets for the 2022 Amendments to the In-Use Off-Road Diesel-Fueled Fleets Regulation. These documents offer a comprehensive summary of key topics such as contracting requirements, renewable diesel requirements, and the phase-out of older vehicles. The fact sheets are intended to assist fleets with their compliance efforts, it does not alter or modify the terms of any CARB regulation, nor does it constitute legal advice. It is the sole responsibility of fleets to ensure compliance with the Regulation for In-Use Off-Road Diesel-Fueled Fleets.