1. International Energy Outlook, 2009, http://www.eia.doe.gov/oiaf/ieo/coal.html.
2. Renewable and low carbon fuel regulation enacted, http://www2.news.gov.bc.ca/news_releases_2009-2013/2009EMPR0024-000796.htm.
3. Carbon trust to explore opportunities to cut carbon and support UK business in China, http://www.carbontrust.com/EN/CECIC.aspx.
4. Direct Conversion of Carbon Fuels in a Molten Carbonate Fuel Cell
5. W.W. Jacques, US patent no. 555,551 (1896).