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Old 09-06-2009, 07:05 AM   #115
HarryT
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Quote:
Originally Posted by Icarusbop View Post
CF lights save a bit of energy (per individual light), Sodium lights use a lot of energy, but you don't see the local councils turning off all (or probably more sensibly half) of the millions of street lights - which would save MASSES of energy.
The reason that most councils in the UK have switched to low-pressure sodium streetlights is precisely because they are much more energy-efficient than the old "white light" ones.
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