SORE - Fuel Line Certification Documents Application Form and Guideline Categories Topics Lawn, Garden & Landscape Equipment Programs Small Off-Road Engines (SORE) Type Information Contact Small Off-Road Engine Email sore@arb.ca.gov CARB staff developed these documents to assist manufacturers with the application process for the certification of fuel lines for use in SORE. Documents MLD/QMB-813 Small Off-Road Engine (SORE) Fuel Line Certification Application MLD-QMB-813_SORE_FUEL_LINE_CERTIFICATION_APPLICATION.PDF · 91 KB Small Off-Road Engine (SORE) Fuel Line Certification Guideline SORE_FUEL_LINE_CERTIFICATION_GUIDELINE.PDF · 209 KB Related Resources Zero-Emission Concrete Polishing Equipment Zero-Emission Commercial Pressure Washers Zero-Emission Commercial Leaf Blowers