If you're interested in higher efficiency DIY charcoal production methods check out the tlud design made from repurposed 55 gallon drums. The output is pure eno

If you're interested in higher efficiency DIY charcoal production methods check out the tlud design made from repurposed 55 gallon drums. The output is pure enough to be used as fuel or soil amendment: https://m.youtube.com/watch?v=13OcuoJWYpo https://m.youtube.com/watch?v=13OcuoJWYpo