| energy.gov | U.S. Department of Energy (DOE) |
| futureenergies.com | Future Energies: Renewable Energy Towards a Cleaner World |
| state.la.us | Louisiana Public Information System for Energy |
| wikipedia.org | Wikipedia: Energy |
| sciencedirect.com | ScienceDirect |
| pdf-search-engine.com | Ebook Search - Pdf Search Engine |
| nrel.gov | DOE: National Renewable Energy Laboratory (NREL) |
| ustreas.gov | United States Department Of The Treasury - Home |
| ife.no | Institute for Energy Technology (IFE) |
| wackenhut-oakridge.com | Wackenhut Services, Inc. - Oak Ridge |
| doe.gov | www.em.doe.gov/ |
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