Texas Auto Emissions Testing 2025. The cost of emissions testing can be different but is limited to $18.50 in houston.here is how this differs on the various ages of vehicles cars between the ages of 2. Emissions testing is required in collin, dallas, denton, ellis, johnson, kaufman, parker, rockwall and tarrant counties in north texas.
The texas department of public safety (dps) is reminding texans texans that significant changes to the stateโs vehicle safety inspection program will take effect on jan. Electric vehicles are exempt from.