Connecticut tests nearly 1.3 million vehicles per year. Vehicles are tested every two years by a network of more than 200 privately owned automotive service facilities located at convenient locations throughout the state. By identifying polluting vehicles in need of repair, the state continues to improve air quality and meet regulations imposed by the Environmental Protection Agency (EPA) and the Clean Air Act.
Send Yourself a Reminder
How to Protect the Environment in CT | Connecticut DMV
Discover eight simple everyday things we can do to benefit the environment in CT, particularly when it comes to reducing harmful motor vehicle emissions.
What to Do if Your Car Fails an Emissions Test in CT | Connecticut DMV
Our handy checklist saves time and shows you have to be prepared for reinspection if you failed your vehicle emissions test in Connecticut. See more!
4 Keys to an Easy & Simple Emissions Test in CT | Opus
In CT, vehicle emissions testing is designed to be uber convenient for today’s busy motorists, especially now that you can sign up for digital reminders.
Selling your vehicle? Don’t forget to cancel your registration | Connecticut DMV
Your vehicle is subject to fees and taxes until you cancel
The Connecticut Emissions Program | Video Overview
Want to know what to expect when your vehicle is due for inspection? Click here for a brief video overview of the CT Emissions Program testing process.