There are some more thoughts on biofuels and inflation over on the Dry Creek Chronicles. The article pulls together some of the threads affecting pricing of food and changes in farming practice int the states but it doesn't address knock ons in terms of stress to the land, and water resources in the medium term. In the longer term ethanol/biofuels from cellulose could offer a better solution, but the real need is for Americans to conserve gasoline and buy more fuel efficient cars.