Health and Safety Code section 43835
(a)
The state board shall, by March 1, 1976, adopt specifications for the fill pipes and openings of motor vehicle fuel tanks to ensure that the size, design, and location of the fill pipe and opening permit adequate access to and interfacing with gasoline-dispensing nozzles for the purpose of vapor control.(b)
No new 1977 or later model year gasoline-powered motor vehicle may be sold, offered for sale, or registered in this state unless such vehicle is in compliance with the specifications adopted by the state board pursuant to subdivision (a).
Source:
Section 43835, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=43835.
(accessed May 14, 2025).