On-Demand Street Lights Save Tons Of Energy
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Energy,
On-Demand Street Lights,
Germany,
Street Lights by Cell Phone,
Energy Conservation,
Germany Street Lights,
Green News
One town in northwest Germany is turning off its street lights at 9 pm to save electricity and money. Rather than imposing an unintentional curfew, th...
blogs.discovery.com | Alyssa Danigelis | Posted 01.24.2009 | Green