justoffal
Senator
They can be converted to hydro-flame furnaces with very little effort. This is not a new concept but one that has been considered and re-considered for the past 40 years. Once again however it leaves the " Green corporate Vultures " out in the cold and out of your wallet.
https://en.wikipedia.org/wiki/Hydrogen_economy
https://en.wikipedia.org/wiki/Hydrogen_economy