Vehicle Emissions

No-Contact and Limited Contact Emissions Test Options

To provide customers with choice and the ability to choose the testing option best for them, ADEQ is offering alternate emissions testing options, valid for one year:

  • No-Contact Emissions Test for gasoline vehicles (as opposed to the two years with the standard On-board Diagnostics (OBD) test) | Learn More >
  • No-Contact Heavy Duty Diesel Emissions Test | Learn More  >
  • Limited Contact Light Duty Diesel Emissions Test | Learn More  >