"leccy power is unfeasible for me if it wont get to Glasgow and back in a day, total distance 896 miles"
I've never understood this argument. How often do you do Glasgow and back in one day? The market size for people who need 900 mile range and can't rent a car for the once a year that they do must be vanishingly small.
"Hydrogen Fuel cell. By product is water (vapour). Does a 71% water world need more?"
Ah, we don't get the joke icon on the mobile version.