> If you just mean that it's impractical to build the electrical grid out to a remote mining site Yes, that was the general issue. We do a lot of mining in re

> If you just mean that it's impractical to build the electrical grid out to a remote mining site Yes, that was the general issue. We do a lot of mining in remote sites that don't have hydro power or any realistic way to get it there. You could use biofuels, but it's hard to imagine bootstrapping a technical society to the point that that becomes feasible without prior use of fossil fuels.