Originally Posted by
Boghopper
Some science fiction predicts a future in which air travel is by dirigible, typically solar (but fuel cells would seem to be an option, too). Seems more plausible to me than electric airplanes.
Nah. Wing-in-ground aircraft. Nothing like doing 650km while you're 25 metres above the ocean. If someone wants to get fancy they can resurrect the coal dust powered jet engine to go with it.