This is an interesting thing, this topic can be political.
I'll start that
Everyone knows that we have to eventually stop using fosile fuels, mainly because of the greenhouse effect and that fosile fules are not ever lasting.
Everyone also knows that the farming industry in the western world is under hard and difficult economical situations. In the EU we pump in billions to the farmers and I think you do as well in the US.
So one simple solution. If the world could come together and say: From 2012 all new cars has to run on Ethanol (for example). Then all our farmers could grow plants for Ethanolextraction. Everything could be pretty localy produced, we do not need dependancy on the Arabs and we could keep our farmers happy.
We have the technology, it is just a matter of creating the infrastructure for the producing chain. In Brazil they have run cars on Ethanol for ages.
I am not sure about numbers but I think we should have the capacity to do it.
Jan