Recent new articles indicate that because of the current high price of oil, future availability of oil may be much greater then when your text was written a few years ago, even though the current rate of use is still increasing. How is this increase in oil possible, if oil is a non-renewable resource? Can you think of a reason why the recent increase in the price of oil result in greater future availability of oil even with high rates of use? Where would the additional oil be coming from?