The street lights could instead be replaced by ... "Over the last 15 years or so there has been a real push to replace sodium lights, which are orange-looking, to new energy-efficient lights ...

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What color are the street lights in your town? While an unfortunate few still suffer under one of the awful colors offered by vapor discharge lamps, like the pink or orange of sodium or the ...

PPL is currently in the process of changing its high-pressure sodium fixtures to eco ... Dickson City already added LED lights to a stretch of Main Street as part of its comprehensive ...