Publication - Journal Article Higher US crop prices trigger little area expansion so marginal land for biofuel crops is limited DOI https://doi.org/10.1016/j.enpol.2011.05.039 Journal Article Energy Policy, vol. 39, iss. 9, pp. 5254-5258, 2011 Authors Scott M. Swinton, Bruce A. Babcock, Laura K. James, Varaprasad Bandaru Language English