Becky Clark and son Bradley outside their energy-efficient home, where electric bills are $1 a day or less.
But he'd like to see every house equipped with a little bit of solar energy, as the Oak Ridge scientists put on the rooftops of these homes. When the sun is shining and home energy use is low, the meter outside actually spins backward to show electricity savings. Solar panels are expensive, but Christian says the instant data on energy use would be worth it. "Then everyone could see how precious it is to collect energy from the sun," Christian says, "and how easy it is to shut off a light."
margaret middleton of IN @ Jun 05, 2009 11:16:50 AM
margaret middleton of IN @ Jun 05, 2009 11:16:11 AM
Rei of TX @ Feb 15, 2009 14:29:45 PM