TY - BOOK ED - World Bank TI - An evaluation of improved biomass cookstoves programs: prospects for success or failure U1 - 662.88 PY - 1991/// CY - Washington PB - Wolrd Bank KW - Biomasa KW - Energía KW - Países en Desarrollo N1 - 01000; About half of the world's population cook with biomass for all or some of their meals. The general pattern of fuel use of cooking in developing countries is that with increasing income people generally move up the energy ladder from firewood to charcoal of kerosene and then to LPG, natural gas, or electricity ER -