Massachusetts Emissions

The state of Massachusetts requires all vehicles to receive a safety inspection each year. This program has been set up with the intent of improving the air quality in the state as well as the health of the citizens of the state. If your vehicle falls into one of the following sections, you will be required to receive a test annually:

On-board Diagnostic Test:

  • Passenger cars, trucks and SUVs that are newer than 2000 year models
  • Medium-duty vehicles that are newer than 2008 year models
  • Light duty diesel vehicles that weight less than 8,500 pounds and are newer than 2000 year models
  • Medium duty diesel vehicles weighing between 8,501 and 14,000 pounds and are newer than 2007 year models
  • Medium duty diesel vehicles weighing between 8,501 and 14,000 pounds and are newer than 2008 year models

Opacity Test:

  • Medium and heavy duty diesel vehicles that weigh more than 10,000 pounds and are not equipped with OBD systems.

Exemptions

The following types of vehicles do not require testing and are exempt from the emissions inspection:

  • Cars, trucks and SUVs that were manufactured before the year 2000 but they should not produce smoke that is visible
  • Light-duty diesel vehicles that weigh less than 8500 pounds or were manufactured before the year 2000
  • Medium duty diesel vehicles that weigh up to 10,000 pounds and were manufactured before the year 2007 or are more than 15 model years old
  • Medium duty not diesel that are manufactured before the year 2008 for more than 15 model years old
  • New vehicles
  • Mopeds, motorcycles and tactical military vehicles
  • Vehicles that are operated exclusively by electric power

There are also a number of vehicles that do not receive emissions test that were designed to be operated on Massachusetts roads, such as all tracked vehicles, all-terrain vehicles, articulated loaders, backhoes, bulldozers, cranes, excavators, loaders, pavers and many others. To see if your vehicle qualifies for an exemption, check with your local DMV for a full list.

When should a vehicle be inspected?

In the state of Massachusetts, vehicles are required to undergo an emissions and safety inspections annually before the inspection sticker expires. It is a good idea to have your vehicle tested during the first half of the month in order to avoid the lines that typically formed towards the latter part of the month.

There are more than1900 stations that are located all across the state. You can call the toll-free motors hotline or check the station locator online to find the inspection station that is closest to you. These stations are required to post the hours that they conduct inspections and some even offer appointments at some points during the day. When you arrive at the station make sure that you have your vehicle registration and a $35 inspection fee. You can check with the inspection station in order to determine which payment methods are accepted.

Conclusion

Keeping the air clean and the roads safe is an important part of living in Massachusetts. By having these inspections in place, it is easier for the state to manage the air quality of the state and the safety of the roads. Make sure that you are complying with these regulations by having your vehicle inspected in a timely manner.