1. Congressional Research Service. 2008. “Pipelines for Carbon Dioxide (CO2) Control: Network Needs and Cost Uncertainties.” CRS Order Code RL34316. Washington, DC. January 10, 2008
2. JO Kadnar, 2008. “Experience in CO2 Transportation via Pipeline.” A presentation by the Pipeline & Hazardous Materials Safety Administration of the U.S. Department of Transportation before the International Energy Agency. Paris. July 10, 2008
3. U.S. Department of Energy. Energy Information Administration. 2008a. “U.S. Natural Gas Pipeline Network.” http://www.eia.doe.gov/pub/oil_gas/natural_gas/analysis_publications/ngpipeline/ngpipelines_map.htmlAccessed August 29, 2008
4. U.S. Department of Transportation, Pipeline and Hazardous Materials Safety Administration, Office of Pipeline Safety. 2007. “Natural Gas Transmission Pipeline Annual Mileage Database.” http://ops.dot.gov/stats/stats.htm. Last updated. 07/30/2007
5. IPCC Special Report on Carbon Dioxide Capture and Storage. 2005. Prepared by Working Group III of the Intergovernmental Panel on Climate Change [B Metz, O Davidson, H de Conick, M Loos, and L Meyer] Cambridge University Press, Cambridge, United Kingdom, 442 pp