1. Energy Biosciences Institute, Berkeley, California 94720, United States
2. College of Chemistry, University of California, Berkeley, Berkeley, California 94720, United States
3. State Key Laboratory for Oxo Synthesis and Selective Oxidation, Suzhou Research Institute of Lanzhou Institute of Chemical Physics, CAS, Lanzhou 730000, P. R. China
4. BASF Corporation, 33 Wood Avenue South, Iselin, New Jersey 08830, United States
5. School of Chemical, Biological and Environmental Engineering, Oregon State University, Corvallis, Oregon 97331, United States
6. Chemical and Petroleum Engineering, University of Wyoming, Laramie, Wyoming 82071, United States
7. Joint BioEnergy Institute, Emeryville, California 94608, United States
8. Energy Analysis and Environmental Impacts Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States