Energy Freedom Bonds Act of 2006 - Authorizes the Secretary of the Treasury to issue Energy Freedom Bonds.
Requires the proceeds from such bonds to be used exclusively for research, development, or deployment of technologies utilizing solar heat, solar light, wind, geothermal energy, and biomass.
Prohibits the use of such proceeds, however, for any technologies utilizing heat from: (1) the burning of municipal solid waste; or (2) a dry steam geothermal reservoir that has no mobile liquid in its natural state, is a fluid composed of at least 95% water vapor; and has an enthalpy for the total produced fluid greater than or equal to 2.791 megajoules per kilogram (1200 British thermal units per pound).