California Code, Health and Safety Code - HSC § 44269

(a) “Battery electric vehicle” means a vehicle that operates solely by use of an electric battery or battery pack, or that is powered primarily through the use of an electric battery or battery pack but uses a flywheel or capacitor that stores energy produced by the electric motor or through regenerative braking to assist in vehicle operation.

(b) “Beneficial bidirectional-capable use case” means the usage of bidirectional-capable battery electric vehicles and bidirectional electric vehicle service equipment in a manner that results in electrical reliability and resiliency benefits and cost savings to the battery electric vehicle operator and is compatible with battery electric vehicle operator needs.

(c) “Bidirectional-capable vehicle” means a battery electric vehicle capable of both charging and discharging electricity.

(d) “Bidirectional charging” means a charging capability that enables a battery electric vehicle to be charged by either the electrical grid or an onsite clean energy resource, and to discharge stored energy capacity through electric vehicle service equipment to either serve load or export it to the electrical grid.

(e) “Bidirectional electric vehicle service equipment” means electric vehicle service equipment capable of both charging and discharging electricity from a battery electric vehicle.

(f) “Board” means the State Air Resources Board.

(g) “Commission” means the State Energy Resources Conservation and Development Commission.

(h) “Electric vehicle service equipment” has the same meaning as defined in Section 44268.