Daniel B. Warnell School of Forestry and Natural Resources
University of Georgia, Athens, GA, USA
The Energy and Independence Security Act of 2007 enacted by the U.S. Congress has set a target of producing 60.5 billion liters of cellulosic biofuels by 2022 (US Congress 2007). It is generally believed that the use of cellulosic biofuels will reduce greenhouse gas (GHG) emissions from the transportation sector of the economy and decrease the nation’s dependency on foreign energy sources (Somerville et al. 2010). It is estimated that, apart from agriculture-based feedstocks such as crop residues and perennial ...