After the oil dries up, goods will get about in these along the coasts. Not everyone is going to be able to eat, unless they vary their diet. Can't support this population on a small fraction of the energy we have now. So, what will happen? Tried to make those who made do with the situation at hand sympathetic.
After 3 years and its tenth market it went to the Post-Apocalyptic Raids Anthology, possibly because it is about a post apocalyptic raid. Just had to wait for the right market.