> that isn't necessarily the case for all possible models of agriculture. No, but then we change the discussion: we were talking about the (in)efficiencies of

> that isn't necessarily the case for all possible models of agriculture. No, but then we change the discussion: we were talking about the (in)efficiencies of corn ethanol. Hence my Western agriculture qualifier, because that is the context in which it is generated as a biofuel. If we look more broadly, then a whole lot of alternatives look a lot better obviously.