1. Institute of Multidisciplinary Research for Advanced Materials, Tohoku University, Katahira, Sendai, 980-8577 Japan
2. Chemical Engineering Department, Advanced Combustion Engineering Research Center, Brigham Young University, Provo, Utah 84602
3. Advanced Fuel Research, Inc., 87 Church Street, East Hartford, Connecticut 06108-3728
4. Niksa Energy Associates, 1745 Terrace Drive, Belmont, California 94002