My State shows up as Yellow... There is only 1 city that most of us in the state believe actually should be a part of the neighboring blue state that requires testing for 99% of people in my state no testing is required, I have a feeling many of the red states on that map are the same.

Note that a lot of those states with "emissions inspections required" amount to "if the car is OBD2 [Model Year 1996+], it must be READY and have no emissions-related faults set; all non-OBD2 cars are exempted, absent visible exhaust smoke".