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Cars and Light Trucks

Vehicle Clean Screening / Vehicle Profiling & Remote Sensing Device (RSD) Issues

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Search the Document Index System (DIS) database to find

  • Advisory Circular
  • Applications for Certification
  • Certificates of Conformity
  • Certificates of Summary
  • Manufacturer Guidance Letters
  • Verify System Documentation

NOTE: You will need Adobe Acrobat Reader, available as a free download, to view some of the files on this page. See EPA's PDF page to learn more about PDF, and for a link to the free Acrobat Reader.

Also see Vehicle & Equipment Emission Modeling.

Consumer Information (Fact Sheets on I/M)

Contact Information

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