Milwaukee just opened self-service kiosks for vehicle emissions tests. Here's how to use them Story by Maia Pandey, Milwaukee Journal Sentinel • 1w ...

Once a familiar sight, SingPost's self-service automated machines have largely disappeared – and some customers are feeling their absence.

You don't need an appointment ahead of time to use a kiosk. How do the self-service kiosks work? Like all emissions tests in Wisconsin, the kiosks are free to use.