| http://www.w3.org/ns/prov#value | - Over the long term, there will be additional savings once the mortgage is paid and the lower energy bills keep coming.Volkswagens & CadillacsNet-zero-energy test homes have been built in dozens of cities along the East and West Coasts, where air pollution and electricity demands are the most intense in the country, and many states offer incentives for green building and renewable energy.Steven Win
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