The sun runs on fusion, kind of a perpetual motion machine, and the wind has a high energy density and will blow so long as the earth has an atmosphere, kind of a perpetual motion machine. I capture those. They're free. They're everywhere. I put them in my e-bike, phone, computer, every light and appliance. You want to survey, dig, well, collect, transport, refine, collect, database, transport, and fill before putting into your car to burn. Well-designed Rube Goldberg Machine? That isn't free, decentralized, or efficient. Lose the fossil industry ideology.