According to the DMV website, updated on 10/02/2014, emissions testing on vehicles is required for many original registered vehicles. These tests need to be updated every two years.

Vehicles that will require emissions testing are as follows:

A car, truck, motor home, or RV requires emissions testing in the following circumstances.

  • It is a 1968 model or newer vehicle registered in Fort Richardson, Elmendorf AFB, Indian, Chugiak, Eagle River, Girdwood and Eklutna or within the Municipality of Anchorage.
  • It is a 1975 model or newer and driven mainly in the urban areas of Fairbanks North Star Borough, including Eielson AFB, Fort Wainwright, Salcha and North Pole.
  • It runs on diesel fuel and dual-fuel.

Source: http://www.dmv.com/ak/alaska/emissions-testing

Certificates that are issued after your vehicles emissions testing are valid for 90 days. This valid test is required to reinstate a suspended registration or an original or registration renewal. Used car dealers will have to perform emissions testing on any cars before they are sold to the public. If a vehicle is purchased from a personal owner, the new owner will be responsible for emissions testing.

Exemptions

There are a few exemptions for vehicle emissions testing:

  • It is a new vehicle less than 4 years old.
  • It is a motorcycle or a motor scooter.
  • It is a vehicle with a gross vehicle weight of 12,000 pounds or more.
  • It is a trailer, snowmobile or an ATV.

Click here for further information on testing your vehicles emissions.