Alexis Belonio received a Rolex Award for Enterprise for a rice-husk-burning stove he designed. Belonio's stove is not complicated, either mechanically or conceptually: A columnar metal burner with the addition of a small intake fan at the base to tip the stoichiometry of combustion towards oxidation, giving a blue, clean, efficient flame that leaves little or no residue... more efficient use of rice husk biomass and greatly reduced pollution from the many rice-husk burners in use today. - Read more from MAKE
