Originally Posted by vafish
If metal is so porous what keeps the racing fuel from just leaking out through the metal?
Or how could steel be used to hold.a.gas with small molecules like hydrogen?
Dude, I have never seen hydrogen or any gas transported in steel drum - did you? They use special gas cylinders.
And I never said that metal is "so porous" it is somewhat, but go head and use it I do not care. I was just answering his ?