There are both in the area. I have pics around here somewhere from one of my rides. Saw an Amish kid on a scooter by the road. His name was Elmer. We talked for a bit and I asked him about the scooter. He said he brother, Amos, sells them in the shop.

Went to the shop, checked out the scooters $250(!) and talked to Amos. While we talked I looked up and saw a three bladed ceiling fan...that was running on compressed air. Talked to Amos about it and he said it runs at 40psi and he been in use for years with no issues.

I'll see if I can dig up the pics.