Introduction Biochar can be made from a range of biomass materials – such as woody biomass from forest restoration projects, food and yard waste, and crop residues – and has promising applications in agriculture, forestry, and other industries.1, 2 The biochar market in the has recently begun to grow due in large part to demand for the carbon dioxide removal (CDR) credits generated from biochar production,3 biochar sales are still limited by lack of demand, access to capital, and other market...