Sonoma Biochar Initiative hosted the 2012 US Biochar Conference
For more on their work visit the SonomaBiocharInitiative.org website.
You'll find videos of the Plenary Sessions on the Sonoma Biochar Initiative Website.
Check out Biochar Bob.
Diacarbon is a waste-to-bioproducts company, that utilizes its proprietary slow pyrolysis technology to convert underutilized biomass into renewable alternative fuels such as biooil, syngas, and biocoal, and value added soil conditioners such as biochar. Diacarbon produces large quantities of biochar made from wood waste, animal manure, and agricultural residues, and is currently engineering a series of designer biochar formulations to promote beneficial interactions in your growth media.