California Reformulated Gasoline Regulations Categories Topics Fuels Programs Gasoline Type Legal Document Contact Gasoline Email alexander.mitchell@arb.ca.gov Phone (916) 327-1513 California Reformulated Gasoline RegulationsTitle 13, California Code of Regulations, Sections 2250-2273.5Reflecting Amendments Effective February 16, 2014 Documents California Reformulated Gasoline Regulations CALIFORNIA_REFORMULATED_GASOLINE_REGULATIONS_2-16-14.PDF · 1.203 MB Related Resources California Reformulated Gasoline Regulatory Advisory (September 2022) Fuels Multimedia Evaluation of E15 Comparison of Exhaust Emissions Between E10 CaRFG and Splash Blended E15