Free encyclopedia article explaining the scientific notion of energy. Includes units of measure, energy transformation concepts, types of energy, history and uses.

Access to a collection of scientific and technical information from U.S. Department of Energy (DOE).

Governmental department whose mission is to advance energy technology and promote related innovation in the United States.

Collections of scientific and technical information from the U.S. Department of Energy (DOE) with a distributed searching capability.

Data summary for world energy production, consumption, price and carbon dioxide emissions.

Section of the U.S. Department of Energy (DOE) providing statistics, data, analysis on resources, supply, production, consumption for all energy sources.