California Air Resources Board

Register 

• Certifications Document Management System (DMS) - New Motor Vehicles and Engines
• Diesel Off-Road Online Registration System (DOORS)
• Drayage (Port) Trucks
• Refrigerant Registration and Reporting System (R3)
• Truck Regulation Upload, Compliance, and Reporting System (TRUCRS)
• Transport Refrigeration Units (TRU/Reefers)
• Statewide Portable Equipment Registration Program (PERP)

District Services

• Carl Moyer Program Clean Air Reporting Log 
• Goods Movement Emission Reduction Program
• School Bus Retrofit and Replacement Account 
• CEIDARS - Access and Tools 

Report

• BACT - Best Available Control Technology Clearinghouse
• Cargo Tank Certifications
• File an Air Pollution Complaint
• Low Carbon Fuel Standard Reporting
• PFIRS - Prescribed Fire Incident Reporting System 
• The Truck Stop

Learn or Subscribe

• Subscribe for email updates on CARB topics
• Training Courses
• Submit Comments

Events

• Request a Speaker
• Event Calendar

Search

• iADAM - Air Quality Data Statistics
• Aftermarket, Performance and Add-on Parts
  • Aftermarket Catalytic Converters
• Air Monitoring Network
  • Standard Operating Procedures for Ambient Air Monitoring
• AQMIS - Air Quality and Meteorological Information System
• Carbon Footprint Calculator
• CATEF - California Air Toxics Emission Factor Database
• CCAQS - Central California Air Quality Studies
• CEPAM - California Emissions Projection Analysis Model
• CHAPIS - Community Health Air Pollution Information System
• CMAQ - Congestion Mitigation and Air Quality Reporting
• Dioxin California Ambient Dioxin Air Monitoring Program (CADAMP)
• Diesel Emission Control Strategies Verification
• Find your Air District
• DRDB - District Rules Database
• Emission Inventory Data
  • Emissions by Facility
  • Emissions Summarized Across Year
  • Emissions Summarized Across Pollutant
• Library Catalog
• Mobile Source Certification Programs
  • Aftermarket, Performance and Add-on Parts
  • Certifications Document Management System (DMS)
  • E-cert
  • Off-Road Certifications
  • On-Road New Vehicles and Engines
• Motor Vehicle Registration Fee Program
• Quality Assurance Site Index
• Retrofit Device (Diesel) Verification Database
• Rules Log Database (RLDB)
• Speciation Profiles Used in ARB Modeling
• Staff Directory