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LaCroix Precision Optics - Lacroix Precision Optics

State of the Streetlight

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Anne L. Fischer, Senior Editor, [email protected]

Driving down the highway, zinging by countless streetlights, we rarely consider the technology behind them, their cost or how much energy they consume. Not much has changed in streetlights in decades. But change is afoot, as lighting designers test more energy-efficient, lower-maintenance and longer-lasting lighting sources. It’s enough to make you slow down and take notice. In 2005, the Lighting Research Center (LRC) at Rensselaer Polytechnic Institute (RPI) in Troy, N.Y., surveyed utilities and cities and found that high-pressure sodium lamps were used in 83 percent of streetlights,...Read full article

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