That is awesome. :)

It’s probably not as cut-throat as it may appear on the surface. Despite the fact that they can inspect any vehicle requiring a smog inspection; as a “Test Only” station, City Smog is legally prohibited from diagnosing and repairing vehicles. On the other hand; as a “Test and Repair Station”, Smog City can’t inspect vehicles that were directed to a “Test Only” station, but they could repair vehicles that failed next door at City Smog. Of course, they can’t legally refer customers to each other, but I have a hunch they’re both benefiting from proximity.

I believe hachronn is correct. They appear to be trying to subvert the law here. I think the goal is to prevent shady repair shops from ‘failing’ vehicles then offering to repair them.