North Carolina Clean Energy Technology Center - 2009 Voigt, B., Troy, A., Miles, B., & Reiss, A. (2009). Testing an integrated land use and transportation modeling framework for a small metropolitan area. Transportation Research Record, (2133), 83–91. Halvorsen, K. E., Barnes, J. R., & Solomon, B. D. (2009). [Review of Upper midwestern USA ethanol potential from cellulosic materials]. Society & Natural Resources, 22(10), 931–938.