Indicators to support environmental sustainability of bioenergy systems
Virginia H. Dale¹, Allen McBride¹, Latha Baskaran¹, Mark Downing¹, Laurence Eaton¹, Rebecca Efroymson¹, Charles Garten¹, Keith Kline¹, Henriette Jager¹, Patrick Mulholland¹, Esther Parish¹, Peter Schweizer¹ and John Storey², (1)Center for Bioenergy Sustainability, Environmental Sciences Division, Oak Ridge National Laboratory, Oak Ridge, TN, (2)Center for Bioenergy Sustainability, Fuels, Engines and Emissions Research Center,, Oak Ridge National Laboratory, Oak Ridge, TN

Technology development and scale-up of the production of lignocellulosic ethanol using the microbe Clostridium phytofermentans.
Kevin Gray, Qteros, Inc, Marlborough, MA

Analysis of biofuels production from sugar based on three criteria: Thermodynamics, bioenergetics, and product separation
Y.-H. Percival Zhang and Wei-Dong Huang, Biological Systems Engineering Department, Institute for Critical Technology and Applied Science (ICTAS), Virginia Polytechnic and State University, Blacksburg, VA

Break

One half generation bioethanol process: a flexible way to produce fuel and energy
Betânia Hoss Lunelli, Ana Paula Gimenez Peres, Maria Regina Wolf Maciel and Rubens Maciel Filho, School of Chemical Engineering, State University of Campinas, Campinas, Brazil

Will second generation ethanol be able to compete with first generation?  Opportunities for cost reduction
James D. Stephen¹, Warren E. Mabee² and Jack N. Saddler¹, (1)Faculty of Forestry, University of British Columbia, Vancouver, BC, Canada, (2)Policy Studies/Geography, Queen's University, Kingston, ON, Canada

2011 Update of the NREL biomass-to-ethanol process design report
David Humbird¹, Ling Tao¹, Andy Aden¹ and Douglas Dudgeon², (1)National Bioenergy Center, National Renewable Energy Laboratory, Golden, CO, (2)Harris Group, Seattle, WA