Diesel and Renewable Diesel Importer Reporting Categories Topics Fuels Programs Diesel Fuel Tipo Form Contact Diesel Fuel Email alexander.mitchell@arb.ca.gov Phone (916) 327-1513 For each batch of diesel fuel imported into California, importers must report the import facility location, compliance option, and fuel volume to CARB’s Fuel Enforcement Section.Contact Amanda Ciccarelli, (916) 229-0523. 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