24.12.2009 - Builders zero in on new goal of energy-neutral housing

From WSJ: The green building movement is targeting a goal once thought virtually unattainable: zero net energy use. While the trend is nascent, dozens of "net zero" and "near net zero" developments -- projects designed to use only about as much power from the public grid as they can save or produce on their own -- have sprung up across the U.S. over the past five years.........................................Full Article: Source

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