1. Global Environment Facility, 1818 H St. NW, Washington, DC 20433;
2. Tata Energy Research Institute, Habitat Place, Lodhi Road, New Delhi 110003, India;
3. National Renewable Energy Laboratory, 1617 Cole Boulevard, Golden, Colorado 80401;
4. Biomass Users Network, Rua Francisco Dias Velho 814, 04581-001 São Paulo, Brazil;
5. UNEP Collaborating Centre on Energy and Environment, Risø National Laboratory, PO Box 49, DK-4000 Roskilde, Denmark;