From GEO BRIQUETTE STOVE

There is a requirement of clean, efficient and low cost briquette stoves. In this regard some of the stove designs are presented above. These stoves are a combination of TLUD micro-gasifier and normal biomass burning stoves.
Briquettes can be easily made up of rice husk / waste paper pulp / saw dust / leaves / etc. The above stoves are very low cost ranging from Rs. 5 ($ 0.10 usd) to Rs. 100 ($ 2 usd).