Article 2. Fuel System Evaporative Loss Control Devices of California Health And Safety Code >> Division 26. >> Part 5. >> Chapter 4. >> Article 2.

The state board shall adopt, by regulation, criteria for the certification of fuel system evaporative loss control devices for installation on motor vehicles not equipped with such a device when first sold. Such criteria shall include, but not be limited to, requirements that the device:
  (a) Shall not allow fuel system evaporative loss greater than six grams of hydrocarbons per test.
  (b) Shall equal or exceed the performance criteria established by the state board for such new devices required on new motor vehicles or, in the alternative, shall have an expected useful life of at least 50,000 miles of operation.

In adopting criteria for the certification of fuel system evaporative loss control devices, the state board shall take into consideration the cost of the device and its installation, its durability, the ease and facility of determining whether the device, when installed on a motor vehicle, is properly functioning, and any other factors which, in the opinion of the state board, render such a device suitable or unsuitable for the control of motor vehicle air pollution or for the health, safety, and welfare of the public.

The installation of a certified fuel system evaporative loss control device on used motor vehicles shall not be mandated except by statute.

The state board may adopt, by regulation, standards and test procedures for the certification of fuel system evaporative loss control devices on new motor vehicles in the absence of any such federal regulations. In such case, no new motor vehicle may be sold and registered in this state unless it conforms to such regulations adopted by the state board.