California Air Resources Board

Aircraft Model

• California Aircraft Emissions Inventory Model (CAI2024) (zipped file)
• CAI2024 Technical Document
• CAI2024 Appendices
• CAI2024-Final-Version

Pleasure Craft

• PC2014 Model Database
  • CY1990 to CY2019 (zipped file)
  • CY2020 to CY2050 (zipped file)
• PC2014 Technical Document
• Rulemaking
• Archive

Recreational Vehicles

• RV2018 Model Database (zipped file)
• RV2018 Technical Document
• Rulemaking
• Archive

Outboard Marine Tank

• OMT Technical Document
• Rulemaking

Portable Fuel Tanks

• Portable Fuel Tank Technical Document
• Rulemaking
• Archive
• Methodology and input factors for portable gasoline-containers emissions inventory
  • Attachment A - Portable Gasoline Storage Container Survey - Consumers
  • Attachment B - Ambient Diurnal SHED Temperatures with respect to Time
  • Attachment C - Portable Gasoline Container Survey - Commercial Users
  • Attachment D - Commercial Lawn/Garden-Equipment Types by Horsepower, Refuel Sources, and Fuel Consumption (PDF)(Excel Format)
  • Attachment E - Off-Road Equipment Types by Horsepower, Frequency of Gas-Can Refills, and Fuel Consumption (PDF)(Excel Format)

Small Off-Road Engines (SORE)

• SORE2020 Model (v1.1) 
• SORE2020 Technical Documentation 
• 2012 Residential Lawn and Garden Survey
• 2006 Commercial Lawn and Garden Survey
• 2001 Residential Lawn and Garden Survey

Off-Road Diesel Equipment

• Off-Road Diesel Equipment Documentation