Beginning on January 1, 2024, all trucks operating in California will need proof of compliance with California Air Resources Board (CARB) regulations to continue operating in the state. Vehicles must ...

The California Air Resources Board withdrew its request for an EPA waiver to enforce its Advanced Clean Fleets rule. The withdrawal means CARB is now no longer seeking to enforce its ZEV mandate on ...

California has withdrawn its request for a federal waiver to implement the state’s Advanced Clean Fleets rule. In a brief letter Monday to Jane Nishida, acting administrator of the Environmental ...

Next week marks the first compliance deadline for “high priority fleets” under California’s Advanced Clean Fleets (ACF) regulation. Under the rule, by February 1, 2024, companies that own or direct ...

State trucking associations whose statehouse legislators chose to follow California emission regulations welcomed the defeat of the Golden State’s Advanced Clean Fleets rule, but remain concerned ...

Legislative action last week effectively revoked California's authority to set its own emissions policies, but the California Air Resources Board (CARB) believes that while the agency may be down, ...

The California Air Resources Board believes the Clean Truck Partnership (CTP) it signed with all the major North American heavy truck OEMs in 2023 is legally binding, and so does the man who authored ...