3 links
DOE: Office of Science and Technology Information (OSTI)
osti.gov
Access to a collection of scientific and technical information from U.S. Department of Energy (DOE).
U.S. Department of Energy (DOE)
energy.gov
Governmental department whose mission is to advance energy technology and promote related innovation in the United States.
Wikipedia: Energy
en.wikipedia.org
Free encyclopedia article explaining the scientific notion of energy. Includes units of measure, energy transformation concepts, types of energy, history and uses.