Alternative Diesel Fuels Regulation Categorías Topics Fuels Programs Alternative Diesel Fuels Tipo Legal Document Contact Alternative Diesel Fuels Correo electrónico adf@arb.ca.gov Regulation on Commercialization of Alternative Diesel FuelsTitle 13, California Code of Regulations, Sections 2293 – 2293.9 and Appendix 1 of Subarticle 2 Unofficial Electronic Version Effective May 3, 2021To view the official ADF Regulation, visit the Westlaw website: ADF Regulation Related Resources Non-Vehicular Diesel Engine Risk Assessment Guidance Renewable Diesel Agriculture Engine Emissions Testing California Reformulated Gasoline Regulatory Advisory (September 2023)