References
- 2007 . Role of Energy Efficiency and Onsite Renewables in Meeting Energy and Environmental Needs in the Dallas/Fort Worth and Houston/Galveston Metro Areas, R. Neal Elliott and Maggie Eldridge , American Council for an Energy-Efficient Economy . September
- Energy Information Administration . 2006 . Average Heat Rates by Prime Mover and Energy Source, Table A6. Average Heat Rates by Prime Mover and Energy Source (Btu per kilowatt-hour) http://www.eia.doe.gov/cneaf/electricity/epa/epata6.html
- 2007 . Supreme Court Docket # 05-1120 decided April 2
- EPA Press Release . 2007 . America Receives a National Solution for Vehicle Greenhouse Gas Emissions December 19
- 2007 . Supreme Court Docket # 05-848, decided April 2