Savage, N. 2007. Better biofuels. Technology Review 110:1.

Schwietzke, S., M.R. Ladisch, L. Russo, K. Kwant, T. Makinen, B. Kavalov, K. Maniatis, R. Zwart, G. Shahanan, K. Sipila, P. Grabowski, B. Telenius, M. White, and A. Brown. 2008a. Gaps in the research of 2nd generation transportation biofuels. IEA Bioenergy T41:2008:2001.

Schwietzke, S., Y. Kim, E. Ximenez, N. Mosier, and M. Ladisch. 2008b. Ethanol production from maize. In Molecular, Genetic Approaches to Maize Improvement, Biotechnology in Agriculture and Forestry, A.L. Kriz and B.A. Larkins, eds. Heidelberg, Germany: Springer-Verlag Berlin.

Searchinger, T., R. Heimlich, R.A. Houghton, F. Dong, A. Elobeid, J. Fabiosa, S. Tokgoz, D. Hayes, and T-H. Yu. 2008. Use of U.S. croplands for biofuels increases greenhouse gases through emissions from land use change. Science 319:1238-1240.

Sendich, E., M. Laser, S. Kim, H. Alizadeh, L. Laureano-Perez, B. Dale, and L. Lynd. 2008. Recent process improvements for the ammonia fiber expansion (AFEX) process and resulting reductions in minimum ethanol selling price. Bioresource Technology 99:8429-8435.

Service, R.F. 2008. Eyeing oil, synthetic biologists mine microbes for black gold. Science 322:522-523.

Shapouri, H., J.A. Duffield, and M. Wang. 2002. The Energy Balance of Corn Ethanol: An Update. Washington, D.C.: U.S. Department of Agriculture.

Sheehan, J., T. Dunahay, J. Benemann, and P. Roessler. 1998. A Look Back at the US Department of Energy’s Aquatic Species Program: Biodiesel from Algae. Golden, Colo.: U.S. Department of Energy.

Sonderegger, M., M. Jeppsson, C. Larsson, M.F. Gorwa-Grauslund, E. Boles, L. Olsson, I. Spencer-Martins, B. Hahn-Hagerdal, and U. Sauer. 2004. Fermentation performance of engineered and evolved xylose-fermenting Saccharomyces cerevisiae strains. Biotechnology and Bioengineering 87:90-98.

Spindler, D.D., C.E. Wyman, K. Grohmann, and A. Mohagheghi. 1987. Thermotolerant yeast for simultaneous saccharification and fermentation of cellulose to ethanol. Applied Biochemistry Symposium 17:279-293.

Takagi, M., S. Abe, S. Suzuki, G.H. Emert, and N. Yata. 1977. A method for production of alcohol directly from cellulose using cellulase and yeast. In Proceedings of the Bioconversion Symposium. New Delhi: Indian Institute of Technology.

USDA-NASS (U.S. Department of Agriculture, National Agricultural Statistics Service). 2005. Quick Stats, Iowa County Data—Crops. Available at Accessed December 18, 2007.

Vane, L.M. 2008. Separation technologies for the recovery and dehydration of alcohols from fermentation broths. Biofuels, Bioproducts and Biorefining 2:553-588.

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