One note that should concern everybody.
We are in the middle of a global recession, but oil is still hovering around $50/bbl, meaning that is the current price point at the intersection of the supply curve and the demand curve.
What happens when demand picks up during the recovery?
The demand curve will shift and the supply curve will stay fairly constant.
Increased demand + stable supply = increased price point.
Do not ever count on gasoline being cheaper than it is now.
My gut feeling says that oil will cross the $100/bbl threshold within about 6 years, and $200 within 15 years.
That will translate into much higher prices for gas, probably around $3/gal within 6 years, and $5.50 or so within 15.
These are just gut feelings, but you heard it here first.