I'm picturing in my head a freight train car parked at a small desolate compound, standardized iron reactant cartridges dripping tar-like preservation liquid ro

I'm picturing in my head a freight train car parked at a small desolate compound, standardized iron reactant cartridges dripping tar-like preservation liquid robotically unloaded, and local FCEVs and BEVs gathering to charge there. That might make an interesting Sci-Fi cutscene.