Improved and more environmentally friendly charcoal ...
Aug 01, 2009· As charcoal will continue to be used, it is seems better that it is at least produced using a more environmentally friendly method like the lowcost retort–kiln system (Photo 1, Photo 2).Another point is that sustainable forests and energy wood plantations can make much more economical use of their wood if it is carbonised with this retort method, which doubles charcoal output.