» U.S. Department of Energy (DOE)
   Governmental department whose mission is to advance energy technology and promote related innovation in the United States.
   http://www.energy.gov/

» DOE: Energy Information Administration (EIA)
   Section of the U.S. Department of Energy (DOE) providing statistics, data, analysis on resources, supply, production, consumption for all energy sources.
   http://www.eia.doe.gov/

» DOE: Energy Science and Technology Virtual Library
   Collections of scientific and technical information from the U.S. Department of Energy (DOE) with a distributed searching capability.
   http://www.osti.gov/energyfiles/

» DOE: Office of Science and Technology Information (OSTI)
   Access to a collection of scientific and technical information from U.S. Department of Energy (DOE).
   http://www.osti.gov/

» International Energy Annual (IEA)
   Data summary for world energy production, consumption, price and carbon dioxide emissions.
   http://www.eia.doe.gov/iea/

» Wikipedia: Energy
   Free encyclopedia article explaining the scientific notion of energy. Includes units of measure, energy transformation concepts, types of energy, history and uses.
   http://en.wikipedia.org/wiki/Energy