Detailed text transcripts for TV channel - CNN - 20100424:18:40:00
Much lower power bills. >> during the day we wont turn lights on here to have classes and agentivities during the day. our classrooms are the same way. we dont know we have to turn a light switch on in the classrooms. >> that is a big savings. >> we hope. >> reporter: a wind turbine churns up to 30% of the hospital electricity. mary sweet runs the place. were you skeptical of this idea? >> initially, yes. i thought it was a gimmick, a way to build back and have people help us. like i mention, it...
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