Wood
From Appropedia
One acre of forest, properly managed, can yield one cord of firewood per year forever.
[edit] Pelletizing
Because of the scarcity of wood in many places, other biomass can be used as feedstock, but may have to be densified first. Pelletizers are commercially available.
[edit] See also
- Permaculture
- Wood Harvesting with Hand Tools (ILO, 1989, 128 p.)