| [1] | U.S. Environmental Protection Agency. EPA finalizes regulations for a renewable fuel standard (RFS) program for 2007 and beyond, Office of Transportation and Air Quality, EPA420-F-07-019, 2007. |
| |
| [2] | Rosegrant, M.W. Biofuels and grain prices: Impacts and policy responses, Testimony to the U.S. Senate Committee on Homeland Security and Governmental Affairs, International Food Policy Research Institute, 2008. |
| |
| [3] | Huang, W.-Y. Factors contributing to the recent increase in U.S. fertilizer prices, 2002-08. U.S. Department of Agriculture, Economic Research Service, AR-33, 2009. |
| |
| [4] | Lal, R. “Soil quality impacts of residue removal for bioethanol production,” Soil and Tillage Research, 102(2), 233-241, 2009. |
| |
| [5] | Taylor, C.R., & Lacewell, R.D. “Effects of corn ethanol and soy-based biodiesel production on soil erosion and return of conservation reserve program land to crop production,”BioEnergy Policy Brief, BPB 070409, 2009a. Available: http://www.ag.auburn.edu/biopolicy/. [Accessed March 1, 2014]. |
| |
| [6] | National Research Council. “Water implications of biofuels production in the United States,”2007. Available: http://dels.nas.edu/resources/static-assets/materials-based-on-reports/reports-in-brief/biofuels_brief_final.pdf. [Accessed Feb 15, 2014]. |
| |
| [7] | Adusumilli, N.C., Rister, M.E., Lacewell, R.D., Lee, T., & Blumenthal, J. “Mitigating externalities related to land use change for biomass production for energy in the Tres-Palacios river watershed of Texas,” 2013a.Available: http://www.ag.auburn.edu/biopolicy/. [Accessed March 1, 2014]. |
| |
| [8] | Melillo, J., Reilly, J., Kickligher, D., Gurgel, A., Cronin, T., Paltsev, S., Felzer, B., Wang, X., Sokolov, A., & Schlosser, C.A. “Indirect emissions from biofuels: How important?”Science, 326(5958), 1397-1399, 2009. |
| |
| [9] | Renewable Fuels Association. “Historic U.S. fuel ethanol production,”2014. Available: http://www.ethanolrfa.org/pages/statistics. [Accessed March 2, 2014]. |
| |
| [10] | U.S. Energy Information Agency. “Monthly biodiesel production report,”2014. Available: http://www.eia.gov/biofuels/biodiesel/production/. [Accessed March 5, 2014]. |
| |
| [11] | U.S. Environmental Protection Agency. EPA finalizes regulations for the national renewable fuel standard program for 2010 and beyond, Office of Transportation and Air Quality, EPA Report 420-F-10-007, 2010a. |
| |
| [12] | Schnepf, R. Agriculture-based biofuels: Overview and emerging issues, Congressional Research Service Report for Congress, R41282, 2011. |
| |
| [13] | Congressional Budget Office. “Using biofuel tax credits to achieve energy and environmental policy goals,”2010. Available: http://www.cbo.gov/sites/default/files/cbofiles/ftpdocs/114xx/doc11477/07-14-biofuels.pdf. [Accessed March 10, 2014]. |
| |
| [14] | Miranowski, J.A. “Biofuel incentives and the energy title of the 2007 Farm Bill,” American Enterprise Institute, 2007. Available: http://www.aei.org/docLib/20070515_miranowskifinal.pdf. [Accessed March 1, 2014]. |
| |
| [15] | Jank, M.J., Kutas, G., Fernando do Amaral, L., &Nassar, A.M. EU and U.S. policies on biofuels: Potential impact on developing countries, The German Marshall Fund study, 2007. |
| |
| [16] | Johnson, R.S., &Runge, C.F. “The brave new world of biofuels: Issues in science and technology,” Quarterly Journal of the National Academies of Sciences, 1-6, 2007. |
| |
| [17] | Babcock, B.A., Barr, K., & Carriquiry, M. Costs and benefits to taxpayers, consumers, and producers from U.S. ethanol policies,Center for Agricultural and Rural Development, Iowa State University. Staff Report 10-SR 106, 2010. |
| |
| [18] | Farm Service Agency. “Biomass Crop Assistance Program,”2011. Available: https://www.fsa.usda.gov/Internet/FSA_File/bcap_update_may2011.pdf. [Accessed Feb 20, 2014]. |
| |
| [19] | National Agricultural Statistics Service. “National statistics for corn,” 2013.Available: http://www.nass.usda.gov/Data_and_Statistics/index.asp. [Accessed March 10, 2014]. |
| |
| [20] | Landis, D.A., Gardiner, M.M., van der Werf, W., & Swinton, S.M. “Increasing corn for biofuel production reduces bio-control services in agricultural landscapes,” Proceedings of National Academy of Sciences, 105(51), 20552-20557, 2008. |
| |
| [21] | Duffy, M.D. Continuous corn versus corn/soybeans: do the relative prices change the profit comparison?Iowa state University, Ag Decision Maker Newsletter, 2011. |
| |
| [22] | Birur, D.K., Hertel, T.W., & Tyner, W.E. Impact of biofuel production on world agricultural markets: a computable general equilibrium analysis, Department of Agricultural Economics, Purdue University, GTAP Working Paper No. 53, 2008. |
| |
| [23] | International Monetary Fund (IMF). “Impact of high food and fuel prices on developing countries. Frequently Asked Questions,” IMF External Relations Department. 2008. Available:http://www.imf.org/external/np/exr/faq/ffpfaqs.htm. [Accessed Feb 7, 2014]. |
| |
| [24] | Hausman, C., Auffhammer, M., &Berck, P. “Farm acreage shocks and crop prices: ansvar approach to understanding the impacts of biofuels,”Environmental and Resource Economics, 53(1), 117-136, 2012. |
| |
| [25] | Adusumilli, N.C., Taylor, C.R., Lacewell, R.D., & Rister, M.E. “Aggregate economic implications of national cellulosic biofuel goals,”2013b. Available: http://www.ag.auburn.edu/biopolicy/. [Accessed March 5, 2014]. |
| |
| [26] | Alexander, C., & Hurt, C. Biofuels and their impact on food prices,Department of Agricultural Economics. Purdue University, ID-346-W, 2007. |
| |
| [27] | U.S. Department of Agriculture. World agricultural supply and demand estimates, WASDE-528, 2014. |
| |
| [28] | Pimentel, D., Patzek, T., & Cecil, G. “Ethanol production: Energy, economic, and environmental losses,”Reviews of Environmental Contamination and Toxicology, 189, 25-41, 2007. |
| |
| [29] | Taylor, C.R.,& Lacewell, R.D. “Aggregate economic effects of corn ethanol and soy-based biodiesel production,” BioEnergy Policy Brief, BPB 070209, 2009b.Available: http://www.ag.auburn.edu/biopolicy/. [Accessed March 10, 2014]. |
| |
| [30] | Taylor, C.R., Lacewell, R.D., & Seawright, E. “Economic cost of biodiesel and corn ethanol per net BTU of energy produced,”2010. Available: http://www.ag.auburn.edu/biopolicy/. [Accessed March 10, 2014]. |
| |
| [31] | U.S. Energy Information Administration. “Gasoline consumption in the U.S.,”2012. Available: http://www.eia.gov/tools/faqs/. [Accessed Feb 15, 2014]. |
| |
| [32] | Searchinger, T., Heimlich, R., Houghton, R.A., Dong, F., Elobeid, A., Fabiosa, J., Tokgoz, S., Hayes, D., & Yu, T.H. “Use of U.S. croplands for biofuels increases greenhouse gases through emissions from land-use change.”Science, 319(5867), 1238-1240, 2008. |
| |
| [33] | Fixen, P.E. “Potential biofuels influence on nutrient use and removal in the U.S.,” Better Crops, 91(2), 1214, 2007. |
| |
| [34] | Donner, S.D, &Kucharik, C.J. “Corn-based ethanol production compromises goal of reducing nitrogen export by the Mississippi River,” Proceedings of National Academy of Sciences, 105, 4513-4518, 2008. |
| |
| [35] | Wu, M., Mintz, M., Wang, M., & Arora, S. Consumptive water use in the production of ethanol and petroleum gasoline, Center for Transportation Research, Argonne National Laboratory Report ANL/ESD/09-1, 2008. |
| |
| [36] | Phillips, S., Aden, A., Jechura, J., Dayton, D., Eggeman, T. Thermochemical ethanol via indirect gasification and mixed alcohol synthesis of lignocellulosic biomass, Technical report of National Renewable Energy Laboratory, NREL/TP-510-41168, 2007. |
| |
| [37] | Roberts, M.G., Male, T.D., & Toombs, T.P. “Potential impacts of biofuels expansion on natural resources: A case study of the Ogallala aquifer region,”2007. Available: http://heartland.org/sites/all/modules/custom/heartland_migration/files/pdfs/22233.pdf. [Accessed March 1, 2014]. |
| |
| [38] | Reynolds, R. E. The conservation reserve program and duck production in the U.S. Prairie Pothole Region, J. B. Haufler (Ed.). In Fish and wildlife benefits of Farm Bill conservation programs: 2000-2005 update. Bethesda, Maryland, USA, 2005. |
| |
| [39] | Riffell, S., Scognamillo, D., & Burger, L.W. “Effects of the conservation reserve program on northern bobwhite and grassland birds,” Environmental Monitoring and Assessment, 146: 309-323, 2008. |
| |
| [40] | FAPRI - Food and Agricultural Policy Research Institute. Estimating water quality, air quality, and soil carbon benefits of the conservation reserve program, FAPRI-UMC report 01-07, 2007. |
| |
| [41] | Farm Service Agency.“Conservation programs: Conservative Reserve Program,”2014. Available: http://www.fsa.usda.gov/FSA/webapp?area=home&subject=copr&topic=crp. [Accessed Feb 20, 2014]. |
| |
| [42] | Fletcher, R.J. Jr, Robertson, B.A., Evans, J., Doran, P.J., Alavalapati, J.R.R., &Schemske, D.W. “Biodiversity conservation in the era of biofuels: risks and opportunities,” Front. Ecol. Environ. |
| |
| [43] | Fargione, J.E, Cooper, T.R., Flaspohler, D.J., Hill, J., & Lehman, C. “Bioenergy and wildlife: threats and opportunities for grassland conservation,” BioScience, 59,767–777, 2009. |
| |
| [44] | Fargione J., Hill, J., Tilman, D., Polasky, S., & Hawthorne, P. “Land clearing and the biofuel carbon debt,” Science, 319, 1235-1238, 2008. |
| |
| [45] | Plevins, R. J., O’Hare, M., Jones, A.D., Torn, M.S., & Gibbs, H.K. “Greenhouse gas emissions from biofuels’ indirect land use change are uncertain but may be much greater than previously estimated,” Environmental Science and Technology2, 44, 8015–8021, 2010. |
| |
| [46] | U.S. Environmental Protection Agency. EPA finalizes 2013 renewable fuel standards, Office of Transportation and Air Quality, EPA-420-F-13-042, 2013. |
| |
| [47] | U.S. Environmental Protection Agency. EPA finalizes 2012 renewable fuel standards, Office of Transportation and Air Quality, EPA-420-F-11-044, 2011. |
| |
| [48] | U.S. Environmental Protection Agency. EPA finalizes 2011 renewable fuel standards,Office of Transportation and Air Quality, EPA-420-F-10-056, 2010b. |
| |
| [49] | U.S. Department of Energy. “Federal laws and incentives,”2010. Available: http://www.afdc.energy.gov/laws/fed_summary. [Accessed March 20, 2014]. |
| |