The U.S. cottonseed shortage has been exacerbated by the nation's dairy and cattle feeding sectors' continued strong demand for its usage in direct feeding. Soyoil Used as Feedstock for 53.3 Percent of U.S. Biodiesel in 2013 Oil World estimates soyoil was the feedstock for 53.3 percent of the biodiesel produced in the U.S. in 2013, down from 54.2 percent in 2012. The German analytical firm estimates recycled fats and oils were used to produce 13.1 percent of U.S. biodiesel output in 2013, up from 12.8 percent in 2012. The estimates for the share of U.S. biodiesel produced with other oils and fats in 2013 were 10.3 percent for corn oil, 9 percent for tallow/yellow grease and 6.1 percent for palm oil. Cottonseed Prices Continue to Rise I...