[ams6110]

Indiana used to have safety inspections, scrapped several decades ago.

Part of the reason is probably that cars (even in rust prone areas) don't rust nearly as quickly as they used to, and everything else on the vehicle, e.g. tires, brakes, suspension are much better and (in the case of suspension components at least) require much less regular maintenance. There's just no low-hanging fruit any more. GP is right, resources are better spent elsewhere.