Detailed text transcripts for TV channel - CNN - 20100421:21:58:00
Electricity, while power and water-saving utilities dominate. mary sweet runs the place. were you skeptical of this idea to begin with? >> initially i was, yes. at first i thought it was a gimmick. it was a way to build back and have people help us. but like i mentioned, it's just a roadmap of where to follow in construction. >> reporter: and you think it's working now? >> it's working wonderful, yes. >> reporter: and all over townhouses are springing up with eco friendly designs, like this model made with concrete filled with smart utilities feeding off solar cells. a machine that pulls drink...
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