1. Agrawal, R., Singh, N. R., Ribeiro, F. H., and Delgass, W. N. 2007, Sustainable fuel for the transportation sector, Proc. Natl. Acad. Sci. USA v. 104, no. 12, p. 4828 – 4833.
2. Anonymous, 2000, The Wabash River coal gasification repowering project, Clean Coal Topical Report Number 20, U.S. Department of Energy, Washington, DC.
3. Anonymous, 2005, Montana’s energy future—and why a proposed “Fisher-Tropsch” coal-to-diesel plant in southeastern Montana should not be a pert of it, Report, Northern Plains Research Council, Billings, Montana.
4. Anonymous, 2009a, Annual coal report, 2007, Report DOE/EIA-0584, United States Energy Information Administration.
5. Anonymous, 2009b, Electric power annual, 2007, Report DOE/EIA-0348, United States Energy Information Administration.