A320 rider-- Fuel shortage???? where you get that from?? Last report I read on global oil reserves suggests that there are still 1.3 trillion barrels of proven reserves in traditional oil fields. Estimates of another half a trillion barrels of traditional oil yet to be discovered and up to 3 trillion barrels of non conventional oil, (tar sand/shale etc.)
Globally we burn approx 30 billion barrels a year but that figure has decreased over the last couple of years and is forecast to do so for the next few years at least. Even if the non proven reserves amount to half the estimated amounts, we are still looking at approx 100 years worth of oil.
All of this takes no account for future "green" energy alternatives which will further reduce global demand for oil.