1. National Renewable Energy Laboratory, 409 12th Street, SW, Suite 710, Washington, DC 20024
2. TRANCON, Inc., 2331 Putnam Lane, Crofton, MD 21114
3. TA Engineering, Inc., (Argonne National Laboratory), 405 Frederick Road, Suite 252, Baltimore, MD 21228
4. Office of Transportation Technologies, U.S. Department of Energy, 1000 Independence Avenue, SW, Washington, DC 20585