1. Methods for pretreatment of lignocellulosic biomass for efficient hydrolysis and biofuel production;Kumar;Ind Eng Chem Res,2009
2. Kinetic characterization for dilute sulfuric acid hydrolysis of timber varieties and switchgrass;Yat;Bioresour Technol,2008
3. Weekly U.S. retail gasoline prices, regular grade. Energy Information Administration (EIA), US DOE. Washington, DC: 〈http://205.254.135.7/todayinenergy/detail.cfm?id=4570〉; 2012.
4. Petroleum products supplied by type (1949–2008). U.S. Department of Energy (DOE), Washington, DC: 〈http://www.eia.doe.gov/emeu/aer/txt/ptb0511.html〉; 20008a.
5. Energy consumption by sector (1949–2008). U.S. Department of Energy (DOE), Washington, DC: 〈http://www.eia.doe.gov/emeu/aer/txt/ptb0201a.html〉; 2008b.