In the state of Idaho, vehicles are required to pass emissions testing before the vehicle can become registered. There are a few exemptions to this rule, they are as follows:

  • It’s a 1964 model vehicle or earlier
  • It’s not registered or used on the county of Ada
  • It’s a motor-home or motorcycle
  • It’s a new vehicle that is less than a year old
  • It has a manufacturers weight rating that is less than 1,500 pounds
  • Its registered as an Idaho Old Timer or Classic Vehicle
  • It’s a farm tractor
  • It’s a vehicle that is registered on a pro-rated basis
  • It’s an alternative fuel based vehicle

If your vehicle meets any of these standards, it’s considered exempt from emissions testing. Always check with your states emissions testing for further information.