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Any vehicle registered in California may be converted to a 100% electric drive, as long as all power is supplied by on-board batteries. All combustion and fuel system components must be removed prior to inspection by a California Bureau of Automotive Repairs Referee station. The vehicle must arrive at the inspection site under its own power, and the referee will also visually inspect to ensure that the vehicle has adequate battery storage capacity for 100% electric operation. Once the inspection is complete, the referee will sign a DMV "statement of Facts" form so that the vehicle can be registered as an EV and removed from the periodic smog inspection program. The statement of fact form is returned to the California department of motor vehicles. To schedule an appointment with California Bureau of Automotive Repairs Referee station, please call (800) 622-7733.


Individually converted vehicles do not qualify for any incentive programs for Certified Zero Emissions Vehicles, including HOV stickers. 

At this time, conversion to 100% electric power does not replace requirements for Direct Import or non-USA vehicle compliance laboratory testing. These requirements apply to vehicles originally sold outside the United States and the required modification and testing typically exceeds the value of the vehicle to complete.

Download the California Bureau of Automotive Repairs Official California engine change policy documentation.


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