I don't see the point.
There will always be gasoline, it may get more expensive, but it will be there, if only for legacy vehicles.
I would never do that to a Morgan, but once hydrogen is more generally available I'd certainly do a conversion to the fueling system of the big V8.
This is the starting point....
https://pureenergycentre.com/hydrogen-cars/They also offer hydrogen generation plants, make your own at home!!
