I use an electric leaf blower, because it has a filter. The reason I like it is because it blows water out of hard it get to places like mirrows, gas doors,under the hood, tires and wheels etc. I don't think I save much time, but I dirty fewer towels. I still wipe down with a damp mf.
BTW: my leaf blower is a vac attachment type. I already have the vac out so I might as well take advantage of the blower.
I use a combination of a leaf blower, air compressor, canned compressed air, and MF towels to dry. Method is 100% safe and works quite well.
remember those days when you went to the automatic car wash (drive thru)?? at the end, what did they use?? blowers. to dry the car off. same principle here.