JAXAshby wrote:

storing gaseous hydrogen takes one ENORMOUS amount of space, while storing
liquid hydrogen takes some enormous equipment that takes enormous power to run.
someone once was trying to come up with some "honeycomb" material that store
gaseous hyrdrogen in high densities, but I haven't heard of them in a while.



Excactly, as for 'honeycomb', I believe you're thinking of metal hydride storage,
as is used for acetylene bottles, I think it's a well proven technology.

Cheers
Marty