http://futuresource.quote.com/news/story.jsp?i=DJC00yaY80207
When I get back to trading with real money (of which I don't have much), I don't know if I'll want to trade the grains except for the minis. :-|
BTW, here's an interesting article re biofuels:
http://www.telegraph.co.uk/money/main.jhtml?view=DETAILS&grid=&xml=/money/2008/02/07/cnoil107.xml