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Allemaengel t1_j3n2n2b wrote

It's the state being strict, counties themselves aren't involved.

The state requires vehicle owners residing in counties over a certain population threshold to have emissions inspections.

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tr3vw t1_j3o5plu wrote

Gotchya. I had no idea thats how it worked!

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crankshaft123 t1_j3o8i7f wrote

The state is trying to comply with US EPA regulations.

If the US EPA (the feds) designate a county as a "non attainment" or "severe non-attainment" area, that county is subject to emissions inspection. It's not directly tied to population-the feds don't mandate that all counties with X number or more population get emissions inspection, but higher populations generally go hand in hand with more cars and more pollution, so it works out that way.

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