Guidance UpdateLiveGuidance Update
CARB publishes Advanced Clean Fleets 2025 Amendments compliance guidance
Advanced Clean Fleets Regulation (17 CCR § 2013 et seq.)California Air Resources BoardUS - California
Announced
Sep 25, 2025
Description
CARB issued implementation guidance for State and Local Government fleets subject to the Advanced Clean Fleets regulation following 2025 amendments. The guidance emphasizes education and outreach during initial reporting cycles, with CARB focusing on helping agencies understand reporting requirements, improved flexibility provisions, and exemption processes. CARB intends to work with agencies on a case-by-case basis to address implementation concerns and will apply lessons learned to evaluate future regulatory modifications.
Key Findings
CARB publishes Advanced Clean Fleets 2025 Amendments compliance guidance
 ## Advanced Clean Fleets Guidance ## Contact ## Categories This emphasis provides State and Local Governments with adequate time to ensure compliance and recognizes the constraints public agencies encounter when procuring vehicles. This compliance assistance will focus on meeting the reporting obligations as agencies work to meet their fleet obligations. CARB intends to