Gray Matters by Stuart Carlson and Jerry Resler for May 23, 2018

It also helps the car wash business.

Nope. Don’t get it.

??????????????????????????

All those cars are SUVs, and many are rusty.

well, that works about all cars get rusty, but it loses something in the translation on a black and white comic strip. (if the point is that all cars look the same colour)