Buying a car online is one thing. Picking it up at a gigantic vending machine is another. Carvana, the online shop for used cars, unveiled its newest car vending machine in Tampa, Florida on Thursday.

In-car vending machines — as the snack boxes from companies like Cargo and Vendy were called — in your Uber or Lyft have either moved onto the next idea or stalled out. Uber drivers with Cargo ...