That return on investment is not real good. But if someone wants to do it for the love of the machine...
You wonder if there will be proper fuel available in 50 years!
It's sing-along time, especially for our friends north of the U.S.:
"my uncle has a country place, that no one knows about. He said it used to be a farm, before the motor law....
down in his barn, my uncle preserved for me an old machine, for fifty-odd years. To keep as new has been his dearest dream..."