No emissions testingSources checked Oct 6, 2026
Does Tennessee require emissions testing?
Tennessee no longer has vehicle emissions testing. Colorado's Division of Motor Vehicles, which lists the states without emissions testing for its out-of-state rules, includes Tennessee on that list.
Where testing is required
Colorado's Division of Motor Vehicles, which tracks other states' programs for its out-of-state rules, lists Tennessee among the states that do not have emissions testing.
“The following states do not have emissions testing: Alabama, Alaska, Arkansas, Florida, Hawaii, Idaho, Iowa, Kansas, Kentucky, Michigan, Minnesota, Mississippi, Montana, Nebraska, North Dakota, Oklahoma, South Carolina, South Dakota, Tennessee, Washington, West Virginia and Wyoming.”
Tennessee emissions testing questions
Does Tennessee require emissions testing?
No. Tennessee no longer has vehicle emissions testing.
Sources
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- Colorado Division of Motor Vehicles: Emissions · checked Oct 6, 2026