Hertel, T.W., A.A. Golub, A.D. Jones, M. O’Hare, R.J. Plevin, and D.M. Kammen. 2010. Effects of US maize ethanol on global land use and greenhouse gas emissions: estimating market-mediated responses. BioScience 60(3):223-231.
Howard, J.L. 2007. U.S. Timber Production, Trade, Consumption, and Price Statistics 1965 to 2005. Madison, Wis.: U.S. Department of Agriculture, Forest Service.
ICF International. 2009. Natural Gas Pipeline and Storage Infrastructure Projections Through 2030. Washington, D.C.: ICF International.
INL, (Idaho National Laboratories). 2005. Natural gas technologies. Low-cost refueling station. Available at http://www.inl.gov/lng/projects/refuelingstation.shtml. Accessed on January 16, 2011.
International CNG, Inc. 2012. International CNG, Inc. Refueling America and American Innovation Investment Opportunity. Available at http://www.internationalcng.com/cng-1_com/bank/pageimages/cng_investment_brochure.pdf. Accessed on March 23, 2012.
Jager, H., L.M. Baskaran, C.C. Brandt, E.B. Davis, C.A. Gunderson, and S.D. Wullschleger. 2010. Empirical geographic modeling of switchgrass yields in the United States. Global Change Biology Bioenergy 2 (5):248-257.
Johnson, C. 2010. Business Case for Compressed Natural Gas in Municipal Fleets. Golden, Colo.: National Renewable Energy Laboratory.
Joyce, M. 2012. Developments in U.S. alternative fuel markets. Available at http://www.eia.gov/cneaf/alternate/issues_trends/altfuelmarkets.html. Accessed on Janaury 19, 2012.
Malcolm Pirnie. 1999. Evaluation of the Fate and Transport of Methanol in the Environment. Oakland, Calif.: Malcolm Pirnie.
Marshall, E., M. Caswell, S. Malcolm, M. Motamed, J. Hrubovcak, C. Jones, and C. Nickerson. 2011. Measuring the Indirect Land-Use Change Associated With Increased Biofuel Feedstock Production. A Review of Modeling Efforts. Report to Congress. Washington, D.C.: U.S. Department of Agriculture, Economic Research Service.
NAS-NAE-NRC, (National Academy of Sciences, National Academy of Engineering, National Research Council). 2009. Liquid Transportation Fuels from Coal and Biomass: Technological Status, Costs, and Environmental Impacts. Washington, D.C.: The National Academies Press.
NRC (National Research Council). 2010. Transitions to Alternative Transportation Technologies—Plug- in Hybrid Electric Vehicles. Washington, D.C.: The National Academies Press.
———. 2011. Renewable Fuel Standard: Potential Economic and Environmental Effects of U.S. Biofuel Policy. Washington, D.C.: The National Academies Press.
Olah, G.A., A. Goeppert, and G.K.S. Prakash. 2006. Beyond Oil and Gas: The Methanol Economy. Weinheim, Germany: Wiley.
Perlack, R.D., L.L. Wright, A.F. Turhollow, R.L. Graham, B.J. Stokes, and D.C. Erbach. 2005. Biomass as Feedstock for a Bioenergy and Bioproducts Industry: The Technical Feasibility of a Billion-Ton Annual Supply. Oak Ridge, Tenn.: U.S. Department of Energy, U.S. Department of Agriculture.
Pike Research. 2011. Natural Gas Vehicles. Market Analysis and Global Forecasts for CNG and LNG Cars, Trucks, and Buses. Boulder, Colo.: Pike Research.
Searchinger, T., R. Heimlich, R.A. Houghton, F. Dong, A. Elobeid, J. Fabiosa, S. Tokgoz, D. Hayes, and T.-H. Yu. 2008. Use of U.S. croplands for biofuels increases greenhouse gases through emissions from land-use change. Science 319 (5867):1238-1240.
Ruefenacht, B., M.V. Finco, M.D. Nelson, R. Czaplewski, E.H. Helmer, J.A. Blackard, G.R. Holden, A.J. Lister, D. Salajanu, D. Weyermann, and K. Winterberger. 2008. Conterminous U.S. and Alaska forest type mapping using forest inventory and analysis data. Photogrammetric Engineering and Remote Sensing 74(11):1379-1388.
Singh, J., and S. Gu. 2010. Commercialization potential of microalgae for biofuels production. Renewable and Sustainable Energy Reviews 14(9):2596-2610.