Originally Posted by
cooker
That might be true now, but it won't be in the future because there won't be any used vegetable oil to throw away or convert to fuel. People will eat it. All of it. I think people aren't getting how petroleum and fossil fuel dependent current agriculture is. There is no way we can run out of petroleum, maintain food production for the world's population, and still divert part of that food to powering our energy needs.
Actually, organic farming grows as much or more food per acre. You just need more people to do the work. Considering that a third of the planet's population will soon be unemployed and living in urban shanty towns, we should be able to work something out.