1. US Department of Energy's Energy Information Administration (DOE/EIA) , Country profile: United States, online athttp://www.eia.doe.gov/cabs/usa/background.html, accessed 3 December 2005.
2. DOE/EIA , Annual Energy Outlook 2005 , Washington, D.C., US Government Printing Office, p.74 .
3. DOE/EIA , Strategic Petroleum Reserve (SPR) - Profile, online athttp://www.fe.doe.gov/programmes/reserves/spr/index.html, accessed 5 February 2006.
4. DOE/EIA , Releasing crude oil from the SPR, on line athttp://www.fe.doe.gov/programmes/reserves/spr/spr-drawdown.html, accessed 5 February 2006.
5. DOE/EIA , Analysis of oil and gas production in the Arctic National Wildlife Refuge (ANWR), online athttp://www.eia.doe.gov/oiaf/servicerpt/ogp/analysis_summary.html, accessed 5 February 2006.