SORE - Carbon Canister Certification Documents Application Form and Guideline Categorías Topics Lawn, Garden & Landscape Equipment Programs Small Off-Road Engines (SORE) Tipo Information Contact Small Off-Road Engine Correo electrónico sore@arb.ca.gov CARB staff developed these documents to assist manufacturers with the application process for the certification of carbon canisters for use in SORE. Related Resources Zero-Emission Concrete Polishing Equipment Zero-Emission Commercial Pressure Washers Zero-Emission Commercial Leaf Blowers