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Mon, Nov 14, 2011 -- 8:33 AM
Energy-Saving Windows Get Smarter
When you think of new technology that makes us greener, you might picture solar panels or electric cars. Windows are probably the last thing that comes to mind. But buildings are responsible for 40 percent of the country's energy use -- and researchers say they can improve that by making windows smarter.
Host: Amy Standen
Reporters:
- Lauren Sommer
