Helpful Links
Vehicle Inspection Program
How To Renew Your Vehicle License
Emissions Testing Station Schedules
On-Board Diagnostics Testing Program
How To Apply For An Exemption
Important Facts To Know
Questions About Vehicle Testing?
For Questions Including What To Do If You Fail Your Emissions Test:
Call the toll-free TDEC Vehicle Testing Information Hotline: 1-866-329-9632
For Questions Regarding Testing Station Locations and Hours of Operation:
Call the Middle TN Envirotest Information Hotline: 615-399-8995
Or
Call the toll-free Envirotest Information Hotline: 1-877-477-0800
How to Renew Your Vehicle License
- Take your vehicle
to one of the official vehicle emissions inspection
stations. Up to ninety (90) days prior to your vehicle's registration
expiration, you can have your vehicle tested at any testing station
in the five-county area regardless of where your
vehicle is registered.
- Once your vehicle
has complied with emission testing requirements, you can renew your
registration by mail or in person. You can mail or take your renewal
form, your emission inspection compliance certificate, and the proper
fees to your County Clerk’s office.
- Hamilton County also offers online registration renewal.
- Sumner County also offers online registration renewal.
- Wilson County also offers online registration renewal.
Vehicle Emissions Testing
Helpful Tips
- Bring vehicle ID Documentation (i.e., Title or Registration)
- TEST FEE $10
- NO CHECKS or bills larger than $20 will be accepted.
- Have the vehicle’s engine warmed to operating condition prior to testing.
- Please turn off cell phones prior to entering the testing stations.
- Please leave pets at home.
- Extinguish smoking material before entering the testing facility.
- Test early - emission tests are valid for 90 days.
- Avoid testing at the end of the month.
