@A&J Thanks for the answer, and I think that is a good way to go most times, for a quickie polish. I just saw a video on Levi Gates' Facebook where he performed a '20 minute polish', where he did not even clay the car. Just an ONR wash it seems, and alcohol wipe.
@Detail Mutant Nice way to work around the rules!! I do like the idea of the Worx Hydroshot. Here in the Netherlands it won't be that 'easy' I suppose. We have rules for the wastewater flowing off of cars, when washing professionally, which needs to pass certain tests for dirt- and oil-content. And it will NEVER pass those tests, unless the car is squeeky clean.
So even rinseless, waterless and steam washes legally would not be allowed, but they can't really test the wastewater coming off the cars with these. Funny enough, washing wheels is forbidden as well, since it's part of the 'chassis'.
But, the goverment and police condone those types of washes, and they are gaining popularity, especially steam. Even some goverment fleets are being washed with waterless washes.
On a side note; any experience with the Optima Steamer? Those steamers claim that the 'high pressure steam' and the 'soft MF Towels' clean any car without scratches. I, for the live of me, can't believe that, since it only produces 10 BAR (145 PSI) and low gpm. You're just washing your car with little amounts of water, through a very expensive machine. For the interior it also seems very unusable to me, causing condensation on the windows from using too much water/steam.