The Kisangani Smith Group has developed two types of efficient biomass stoves, which can be fabricated by local smiths. One stove is targeted at charcoal and replaces the widespread use of charcoal in towns. This stove burns sawdust, which is readily available as waste in the Njombe region of Tanzania, or agricultural residues. The other stove is an improved woodburner, designed for rural areas. The Kisangani Smith Group and its trainees have sold over 3,500 stoves so far.
Here’s their video:
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