Texas Counties Requiring Emissions Test 2025 Season. 1, 2025, but that doesn't mean you won't still need emissions testing. New law eliminates most vehicle safety inspections, but emissions inspections are still required in 17 counties beginning january 1, 2025, texas vehicle owners will no longer.

However, 17 counties will continue to require an annual emissions test. 1, 2025, a new texas law will mean vehicle inspections won’t be required before registration.