only 5% of world grain been used for Bio-fuel.
so, I don't think much affect.
U.S. Planted Acreage – Major Crops (MM Acres)
2006 2007 2008 2007-08
Corn 78.3 93.6 86.0 -7.6
Wheat 57.3 60.5 63.8 3.3
Soybeans75.5 63.7 74.71 1.0
Cotton 15.3 10.9 9.2 -1.7
Other 89.5 91.5 87.3 -4.2
Total 315.9 320.2 321.0 0.8
