1. Illinois Sustainable Technology Center, 1 Hazelwood Dr., Champaign, Illinois
61820, United States
2. Department of Civil and Environmental Engineering, 205 N. Mathews Ave.,
Urbana, Illinois 61801, United States
3. Agricultural Research Service,
National Center for Agricultural Utilization Research, United States Department of Agriculture, 1815 N. University
St., Peoria, Illinois 61604, United States