Mark VII Equipment

What if c-stores could earn more by upgrading their car wash to a mini-tunnel? It’s a trend among some stores, and it’s easy to see why—mini-tunnels can wash more cars than in-bay models can.

When drivers stop into a gas station to refuel, they might also head into the adjoining convenience store to pick up a drink or a snack. For some c-store operators, that’s all they can hope for—a purc...