If the grid is out then you use your own electric generator.What would you use to power "your own electric generator"?
Sorry you don't see the failed logic in your wishful thinking for battery powered vehicles.
Solar. If you run out of gas and your area doesn’t have any for whatever reason, then what do you do?
Well, aren’t you Mister Killjoy?
Why, people will just have to learn to share. The grid will need to be upgraded to be more responsive to the 21st century. Why, why I dunoooooooooo!
Why are you so mean? :)