Quote Originally Posted by docbop View Post
I've heard that the amount of land required to grow corn for ethanol in production quantities is massive. That you'd have to practically switch most the farms in U.S. to growing seed corn in order to come close to production quantities to replace fossil fuels.
Could well be. I don't think anyone is suggesting biofuels can entirely replace fossil fuels any time soon (or ever), but they're a handy supplement. Many countries already mandate that all diesel has to contain a certain percentage of biodidesel, so you might be using it without knowing already.