One of the keys to this argument is what does it cost to produce...

One of the keys to this argument is what does it cost to produce 1 barrel.

What is the average cost of production worldwide ?

I wonder if those tar sands are still producing ? Are they a result of lack of oil or POO making them viable ?

Was only a short while ago that 60minutes were telling us of a shale oil plant coming near you.

How quickly the tables turn.