CARB Issues Advanced Clean Fleets 2025 Amendments Implementation Guidance

CARB published guidance for the 2025 Advanced Clean Fleets amendments, which provide increased flexibility for state and local government fleets. The guidance clarifies that CARB will emphasize education and outreach during the first reporting cycles of implementation, work with agencies on a case-by-case basis to address compliance issues, and evaluate how effectively the new flexibilities address implementation concerns. Fleet managers should use this guidance to understand compliance pathways and available flexibilities.