California Air Resources Board

Regulation

• Current Regulation and Advisories
  • Rulemaking Documents
• TRUCRS Reporting System and Guidance Documents

DMV Compliance Verification Fact Sheets

• DMV Compliance Verification FAQ | Español
• DMV Registration Renewal Notice FAQ | Español

Truck and Bus Fact Sheets

• Compliance Requirements Overview | Español
• Low Use Vehicles Exemption | Español
• NO_x Exempt Area Extensions | Español
  • Detailed map for Northern Sonoma County
• Emergency Use Exemption | Español
• How to Verify if Hired Fleets Comply | Español  | ਪੰਜਾਬੀ
• School Bus
• Manufacturer Delay | Español

Solid Waste Collection Vehicle Regulation (Including Heavy Crane)

• SWVC Regulation Home Page
• Heavy Crane Requirements - SWCV
• Garbage Packer and Rolloff Truck Requirements

Off-Road Vehicles

• Off-Road Zone
• Two Engine Trucks Not Subject to the Truck and Bus Regulation

Other Regulatory Requirements

• Engine label information (model year, family)
• Smoke Inspection Program
• Verified Diesel Emission Control Strategies (VDECS)
• Greenhouse Gas Regulation (53’ Box Type Trailers)
• Transport Refrigeration Unit (TRU)
• Drayage Trucks (Ports/Railyards)