What is that thing? Why is that thing? It looks like the vehicles from Aliens. On the windshield, there's a decal that reads "Apocalypse 6x6."
Yes, exactly. You need a stable society to run oil refineries and distribute the gasoline to every community. Portable solar panels may be a trickle of energy, but it's still something to juice up an EV that only requires sun. Some EV can also power an extension cord, so they're a mobile back up battery.