Tag Archives | LEDs

The LED Streetlights Are Here

The Dawn of Light Emitting Diodes (LEDs) Previously I covered the cobrahead streetlights of the Twin Cities. Well, they’re almost gone. The thousands of high pressure sodium MnDOT lights on the freeways have been converted to LED (light emitting diodes) and the 90,000 Xcel energy lights are in the process of being converted. So it’s […]

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