California Reformulated Gasoline Regulatory Advisory (September 2022) Categories Topics Fuels Programs Fuels Program, Gasoline Tipo Notice Contact Gasoline Email alexander.mitchell@arb.ca.gov Phone (916) 327-1513 Information for Entities Subject to the California Reformulated Gasoline Regulation Related Resources Fuels Multimedia Evaluation of E15 Comparison of Exhaust Emissions Between E10 CaRFG and Splash Blended E15 Low Emission Diesel (LED) Study: Biodiesel and Renewable Diesel Emissions in Legacy and New Technology Diesel Engines