Motor and unpowered vehicle rentals, sales and storage. Any business engaged in the rental, sale, storage or display of new and/or used motor vehicles and new and/or used unpowered vehicles towed by motor vehicles, including recreational travel trailers, utility trailers, vehicle transport trailers, boat trailers, horse trailers, semi-trailers, mobile homes, portable classrooms, construction trailers, pod trailers, generator trailers, compressor trailers and other similar unpowered vehicles and equipment towed by motor vehicles, shall not be any closer than one mile to each such other similar business establishment, as measured from each property line of every property on which each such use is located.