The state of Massachusetts requires emissions testing on most vehicles and there are many common questions that vehicles owners in Massachusetts have concerning the emissions testing program.  This section will cover some of the most frequently asked questions about the Massachusetts emissions inspection program and provide the answers to these questions.

Does every vehicle need to be tested for emissions in Massachusetts?

There are certain vehicles which are not intended to be driven on the roads in Massachusetts and these vehicles do not require an emissions test.  These vehicles would be:  ATVs, Loaders & Haulers, Backhoes, Bulldozers, Cranes, Excavators, Platform Lifters, Motor Graders, Pavers, Tractors and farming equipment, and Tracked Vehicles.

How often do I need to have my vehicle’s emissions tested in Massachusetts?

In Massachusetts your must have your vehicle’s emissions tested every year before the current inspection sticker expires.

What if I purchased a new or used car, do I need to have the emissions tested?

Yes, you must get your vehicle’s emissions inspection done within seven calendar days from the date you get the registration.

Is there a customer service number to speak to someone about the Massachusetts emissions inspection program if I cannot find the answer to my question online?

There is a Motorist Hotline 1-866-941-6277 for Massachusetts motorists.  There is also the Auto Safety Hotline at 1-888-327-4236

Is there a fee to get my emissions tested?

Yes, there is a $29 fee which you need to bring with you (along with your registration) when you bring your vehicle in for emissions testing.

What happens after the emissions test is complete?

After your emissions testing is complete there will be a sticker printed out for your vehicle and you will also get a copy of the vehicle inspection test results.  This report will tell you if your car passed or failed the test, and if your vehicle had issues it will direct you as to what the failing area was.

If I’m required to get a federal DOT inspection do I need to do this and get the vehicle’s emissions tested?

No, if you get your Massachusetts emissions inspection done this will allow you to meet the federal DOT requirement.  The paperwork you receive after you pass the emissions inspection is proof that can be used to signify you met the DOT requirements.