[Terrapreta] a small-scale pollution free charcoal retort

[Gerald Van Koeverden]

Greg,

If you are interested to see what a Japanese company has come up with  
as far as small-scale environmentally-friendly charcoal kilns, check  
out two they are selling:

Sumiyaki Tatsujin Natural Style Charcoal Kilns

at this link:   http://www.new-market.org/en/companies/042/? 
gclid=CLnYiOGhxJACFUtyOAodECewXg

Gerrit
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