California Code, Streets and Highways Code - SHC § 2570

(a) “Vanpool operator” means any person who files an application and who is approved for a loan or grant under this chapter.

(b) “Vanpool vehicle” means, notwithstanding any other provision of law, a motor vehicle designed for carrying more than six but less than 16 persons, including the driver, which is maintained and used primarily for the work-related transportation of adults for the purpose of ridesharing.

(c) “Useful life,” with respect to a vanpool vehicle, means either 100,000 miles and four years old or 200,000 miles without regard to age.