Difficult to answer. Don't think anyone REALLY believes this will happen... However, should it happen, I think many of us will be living on PB&J and bicycles will go up in price(maybe). I know I won't be able to afford to drive my trac and I don't even think compacts will be affordable. Even getting 30-35 mpg will be hugely expensive, not to mention how much necessities will go up as well. I've been watching egg and milk prices fluctuate for the past few months.