Biochar is unlikely to be cheaper than coal, ever. Optimistic long-term estimates are $100 per ton [1]. [1] http://biomassmagazine.com/articles/4080/beyond--th

Biochar is unlikely to be cheaper than coal, ever. Optimistic long-term estimates are $100 per ton [1]. [1] http://biomassmagazine.com/articles/4080/beyond--the--hype http://biomassmagazine.com/articles/4080/beyond--the--hype