References
- Energy Information Administration . 2007 . Voluntary Reporting of Greenhouse Gases Program Fuel and Energy Source Codes and Emission Coefficients On-Line. Accessed 9-1. Available from http://www.eia.doe.gov/oiaf/1605/coefficients.html
- Energy Information Administration . Voluntary Reporting of Greenhouse Gases Program Average Electricity Factors by State and Region On-Line. Accessed 9-1-2007. Available from http://www.eia.doe.gov/oiaf/1605/ee-factors.html