In 2024, Davis and three other lighting researchers analyzed multiple LED modules from streetlights that were producing the purple light, using both microscopic and thermal analysis.

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 ...

Windsor hopes to save money and become more sustainable for years to come by purchasing all the town streetlights and replacing the lights with more efficient and longer-lasting LED bulbs.

Mundelein crews began installing streetlights with energy-efficient LED bulbs, like this one, in 2014. The village’s newly approved $77 million annual budget includes about $100,000 for more of ...

Glendale has become the first city in Arizona to replace its streetlights with LED bulbs. The city was praised for its energy efficiency efforts on Tuesday.