Sixty Billion Gallons by 2030: Economic and Agricultural Impacts of Ethanol and Biodiesel Expansion by Daniel G. De La Torre Ugarte, Burton C. English, and Kim Jensen* Principal Paper Session Challenges and Policy Implications of Developing an Economically Competitive Bioenergy Production System with Cellulosic Feedstock 2007 Joint Annual Meeting of the AAEA, WAEA, and CAES Portland, Oregon July 29 – August 1, 2007 *Associate Professor and Professors, respectively. Department of Agricultural Economics, 302 Morgan Hall, The University of Tennessee, Knoxville, TN 37996-4518, ph: 865-974-7231, email: danieltu@utk.edu. Copyright 2007 by Daniel G. De La Torre Ugarte, Burton C. English, and Kim Jensen. All rights reserved. Readers may make verbatim copies of this document for non- commercial purposes by any means, provided that this copyright notice appears on all such copies.