>Ok this is a meme
Explain?
Ah I get it. That's OK then- I was thinking it was one of those bullshit fake info things like those "crystal growing" infographics.
Always good to have multiple ways of doing the same thing.
>if you can find the fuel for it.
Knowing how to do shit like turn used cooking oils into diesel or tune engines to run on alcohol (or wood gas) would make you worth your weight in gold, or whatever you'd use as currency post-collapse.