Biomass - Industry Analysis
- Using Biochar Systems to Sequester Carbon - Don Hofstrand - January 2010
- Biochar - A Multitude of Benefits - Don Hofstrand - December 2009
- Biomass Energy (overview) – Energy Information Administration.
- Biomass Maps – National Renewable Energy Laboratories
- Growing Energy on the Farm – Union of Concerned Scientists.
Links Checked July 2009.