Ca Dmv 2024 Reg Sticker Requirements. The california dmv began the new clean air vehicle (cav) decal. Upon renewal, a new decal is issued, displaying a new plate number and expiration year.

A ca clean air decal is a special sticker or label issued by the california department of motor vehicles (dmv) that is affixed to eligible vehicles. If you drive a vehicle that meets certain emissions standards and other criteria, you may be able to get clean air vehicle (cav) decals and a cav decal identification (id) card, which allow single occupancy use of high occupancy vehicle (hov, or carpool) lanes.