Most people seem to intuitively grasp that our supplies of fossil fuels, especially oil, are finite, yet oil depletion is virtually never mentioned in policy discussions. Oil powers virtually all transportation: its availability enables global commerce and defines our world. There is no subtitute. Is it rational to ignore the inevitability of oil depletion? To not discuss the tremendous effects that it will have on humanity, and how we will handle it? Some are addressing it, and we may see problems sooner than you might think. If you are not informed on the subject, please do a web search on "peak oil". Or, a good starting point is the Oil Depletion Analysis Centre. Questions: