Q: An automatic car wash machine and the building for them must be expensive. I would bet that the water is the smallest expense of the wash. But how many gallons of water does a typical car wash use?

The "automatic vs. hand wash" battle has been redefined by high-tech microfiber and closed-cell foam. We break down the data: ...

The hardest part of using an automatic car wash—the kind where machines do all the work while you wait—might be making the right choice from a staggering menu of options. Should you pay more for spray ...