... coal (although greater than natural gas) Johansson and Azar (2007) examined the impact of a carbon tax or cap and trade system on U.S bioenergy and agricultural production In the Johansson and ... discarded into landfills In MSW, woody biomass can be found in paperboard and paper waste, discarded wood products such as furniture, durable goods, crates and packaging, and in yard trimmings In ... Woody Biomass for Bioenergy and Biofuels in the United States Changes in crop mix and agricultural land uses are expected under a carbon policy The Johansson and Azar model does not include a...