When most people think of a car wash, they tend to think of an exterior-conveyor wash. These are the washes that put cars on a motorized track and drag them through a tunnel where they are rinsed ...

Along a busy stretch of highway in Waconia, car after car will pull off to make their way through a drive-thru. These drivers aren’t headed toward the McDonald’s, Taco Bell or Caribou Coffee. Their ...