Building homes that make more power than they take

These "zero-net energy" homes will feature thick walls, solar panels and geothermal heating and cooling systems, meaning families should be able to generate more energy over a year than they consume.

The homes under construction 70 miles north of New York City have costly green features. But the builders believe they are in tune with consumers increasingly concerned about the environment and fuel costs.

And there are buyers here and around the nation willing to pay more for savings down the line.

© 2013 The Associated Press. All rights reserved.

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