California's emissions compliance programme for diesel trucks over 14,000 lbs, out-of-state trucks included.
In moneyA yearly compliance fee and periodic testing; running without it in California risks civil penalties.
What to doCheck your truck is compliant before you take a load into California.
Non-gasoline vehicles over 14,000 lbs gross vehicle weight rating that operate in California need a valid compliance certificate from the California Air Resources Board.
EPA's 2026 partial disapproval ended federal enforcement on out-of-state trucks; CARB says it still enforces the rule under state law.
Check what a run needs, state by state →
Related
Got a rate con in front of you? Paste it into the reader to see every term in it explained. Inteleri keeps these terms with your own loads and lanes: request early access.