To continue reading this content, please enable JavaScript in your browser settings and refresh this page. Think back to mixing primary-color paint in grade school ...

And it will have taken about eight years in all to swap out all of those old-style streetlights across Mankato with high-efficiency LED lights. It was the summer of 2017 when a private electrician ...

The new LED lights cost about the same as the old high-pressure sodium lights but will last about 15 to 20 years. Years in the making, the warm glow of brighter streetlights are finally flickering on ...

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Think back to mixing primary-color paint in grade school. Remember how mixing in yellow changes white, blue and red? Lighting is no exception. A problem too often overlooked is how the yellow-tinted ...