8 Off-road vehicles include airport ground support equipment, construction and mining equipment, industrial equipment, and oil drilling equipment.
9 The Clean Trucks Rule requires that manufacturers of heavy duty trucks meet certain targets for sales of zero-emission trucks by 2035 (zero-emission truck sales would need to be 55% of Class 2b-3 truck sales, 75% of Class 4-8 of truck sales, and 40% of tractor sales). See: Arneja, P. (June 2020). Advanced Clean Trucks Fact Sheet. California Air Resources Board. Accessed on November 18, 2020. Retrieved from: https://ww2.arb.ca.gov/resources/fact-sheets/advanced-clean-trucks-fact-sheet
10 A copy of the transportation budget can be viewed here: http://www.ebudget.ca.gov/2021-22/pdf/Revised/BudgetSummary/Transportation.pdf