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New sensors in street lamps 'to save 9,000 hours of energy a night'

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  • altern4
    Street-lamp sensors have been in use for several years, but Southwark s engineers have carried out several studies allowing them to reduce the time each light
    Message 1 of 1 , Mar 26, 2009
      Street-lamp sensors have been in use for several years, but Southwark's engineers have carried out several studies allowing them to reduce the time each light is on by 30 minutes per day. Read more at http://earthalternate.blogspot.com/ 
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