[David]

I was pretty skeptical about us running out oil since I'm in the energy business both at work and privately. Then I started reading various credible sources. It appears that Saudi will deplete their current known reserves in about 70 years at their current production rate, but they want to increase production which could shorten this time dramatically. There are many other untapped resources, but the Middle East Oil has been very easy to get. Well, the easy oil is rapidly diminishing.

I expect gasoline to be over $20/gal in 20 years. I don't expect us to run out in our grandchildren's lifetimes, but I do expect it to become very expensive.

There will be other energy sources. The US's known reserves of coal would last 500 years at current consumption rates.

Remember, the stone age didn't end because they ran out of stones. I doubt the oil age will end because we ran out of oil.