Actually, I have an answer to an earlier question, so I'll add that to the list and provide the answer to the earlier one. We'll keep the inventory of things we have to get back to you on.
I don't know what proportion of Alberta production it would be, but it's about 1% of total North American demand. Canada produces maybe 20% or 25% of the North American supply, I would think, and Alberta would be the.... I'd have to check.
I don't know the answer on a BTU basis on the question about how much energy it takes to get a barrel of oil out. I'm quoting from the National Energy Board's Canada's Oil Sands: an Update. This was done this year. It's a million cubic feet of gas for a barrel of bitumen, currently selling for $6, or so, to produce it.