• 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.
• 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.
• DOE: Office of Science and Technology Information (OSTI) - Access to a collection of scientific and technical information from U.S. Department of Energy (DOE).
• International Energy Annual (IEA) - Data summary for world energy production, consumption, price and carbon dioxide emissions.
• Wikipedia: Energy - Free encyclopedia article explaining the scientific notion of energy. Includes units of measure, energy transformation concepts, types of energy, history and uses.

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