For sure, excess heat is something that is interesting to explore. Oregon Kilns are basically just a big metal bucket that burns top down and produces biochar,

For sure, excess heat is something that is interesting to explore. Oregon Kilns are basically just a big metal bucket that burns top down and produces biochar, but burns off the syngas. https://www.nrcs.usda.gov/wps/portal/nrcs/detail/or/newsroom/stories/?cid=nrcseprd1499267 https://www.nrcs.usda.gov/wps/portal/nrcs/detail/or/newsroom... Other systems try to capture the syngas/bio oil to generate electricity or capture the heat for heating/other uses.