I don't think the energy consumption is a problem in Elite's universe. I mean, we scoop up hydrogen fuel from stars, and even when refuelling at a station it is dirt cheap. They are quite far from our weight reduction and energy saving problems.
Though I am quite sure that the main problem with lighweight composites is their inability to withstand fire from thermal or heavy kinetic weaponry...A problem that we are not too worried about IRL.
Fair point but did the stable sustained hydrogen reactors that are small enough to fit in a space ship come before or after asteroid mining? I dont' actually know, I'd guess after but yeah, you may have a point there
I wonder how the Fuel Rats can live without cheese in ED
Why do you think we love snickers so much, it's our cheese substitute.