To take the point seriously: electrical generation, something that can be done at small scale with passive/reliable components and/or recreated from scratch usi

To take the point seriously: electrical generation, something that can be done at small scale with passive/reliable components and/or recreated from scratch using century-old methods, is vastly more likely to survive an "apocalypse" than a gasoline production economy. You know how to frack your own well? Me neither.