1. IEA, Clean Coal Roadmaps to 2030, CCC/152, September 2009.
2. U.S. DOE NETL, Carbon Sequestration Technology Roadmap and Program Plan, April 2007.
3. National Coal Co Environment, and Energy Security, June, 2012, available at www.nationalcoalcouncil.com.
4. NETL, Cost and Performance Baseline for Fossil Energy Plants, Volume 1: Bituminous Coal and Natural Gas to Electricity, Revision 2 November,2010 www. netl. doe. gov, accessed September 2012
5. Starns, T. Evaluation of Solid Sorbents as a Retrofit Technology for CO2 Capture, presented at the NETL CO2 Capture Technology Meeting, Pittsburgh, July 2012, http://www.netl.doe.gov/publications/proceedings/12/co2capture/index.html#pres, accessed online September 2012.