A 2009 Us Department of Agriculture shows how a biofuel revolution is impacting grain production in the United States. This article shows how dependent we are on fueling our cars, whether it be oil or grain. This new percent shows the United State’s gradual transition into biofuels, bringing upon the biofuel revolution.
http://www.guardian.co.uk/environment/2010/jan/22/quarter-us-grain-biofuels-food
