There were times before, with metal skyscrapers and days when water was wasted on status and fame instead of just survival. Where the great dead lakes were passable and the creatures inside them more than enough to feast upon by those left in the world. Now? Now you have a world of dust, base survival, and water wars. Terms have changed in the hundreds of years since what was civilization crumbled. Man is not totally savage, their archetypal mockeries of niceties and sanctuary has grown up in this land of hate and heat, giving a marked rise in survivability from nil to passable.
What town do you claim allegiance to and who are your enemies? What is going on in this desiccated world where you struggle to kill the thirst of both self and car? How will you live and will you make this a world where you want to live?
Rev the engines, call the organic mechanics, hand out the stimulants, pour the guzzoline, start!