In relation to liquefied natural gas or ethanol from cellulose or corn, it's a different ball game. I was involved in both of these technologies before I founded Biothermica. I was the owner of the alcohol plant in Gatineau on the other side, and we did a lot of R and D on cellulosic ethanol through hydrolysis. There's the other way through gasification like Enerkem.
I think that the option to utilize biogas or natural gas in the transportation system is short term; it's a no-brainer; it will happen. The U.S.A. has an immense reservoir of shale gas. There is more and more shale gas on the market, and you have seen a collapse in the price of natural gas, going from $10 per gigajoule to $3 or $4. That will have two consequences. First of all, that will push natural gas in the transportation sector, and later on push the ethanol from cellulose because it's quite a bit more expensive than natural gas.
So the shale gas paradigm in North America has been changing the ball game for the last two years, but cellulosic ethanol has a role to play, not for tomorrow, but maybe the day after tomorrow.
That is my personal view.