WFO (Rocket Stoves)
If you have not seen a WFO rocket stove, here's a few videos to learn about them.
A rocket stove is essentially a tall INSULATED vertical pipe that burns any wood or biomas at 2,000 *F with NO SMOKE.
AFAIK A rocket stove uses the least amount of wood to cook than any stove made.
Rocket Bread Oven
No gas reaches the bread!
My friend's rocket stove heats his house.
I helped with this design.Dual Plane Rocket Stove Heater
Energy Conservation with Rocket Stoves in Africa:Aprovecho Research Centre, Southern Africa, Rocket Stoves - Ashden Award winner