Cal. Health & Safety Code § 25250.28
(b) Notwithstanding any other provision of law, oil that is managed by an automated onboard oil management system is exempt from the requirements of this article and is excluded from classification as a waste under this chapter if all of the following conditions are satisfied:
(1) The system is applied to a mining vehicle with a gross vehicle weight capacity in excess of 200,000 pounds or a locomotive, and all of the following conditions are satisfied:
(B) The system is designed, maintained, and operated in a manner that does all of the following:
(2) The system and the use of the system is approved by the State Air Resources Board, after consultation with the department, and all of the following requirements are satisfied:
(c) This section does not exempt any of the following: