ALBERTSLUND, Denmark — If you’ve ever bought a compact fluorescent light bulb, or one of the newer LEDs, you may have been surprised to find their light brighter or cooler or yellower or bluer than ...

CHICAGO (WBBM Newsradio) --The city has reached a new milestone in its plan to replace all its street lights with more energy-efficient LED bulbs. Mayor Rahm Emanuel toured Lyons View Manufacturing on ...

Some San Franciscans think the city's new LED-powered streetlights aren't such a bright idea. In June, city officials announced a major push to replace 12,500 outdated streetlights with brighter, more ...

Does a blue light keep you up at night? No, it’s not an alien invasion. The city of St. Paul has been gradually replacing LED street lights suffering from an unusual manufacturer’s defect — they’re ...

A new lab near Copenhagen gives lighting vendors a place to showcase their latest designs and city officials a place to view them in a real urban setting. If you’ve ever bought a compact fluorescent ...

In the United States and Canada, there have been many reports of LED street lights that were initially white but have suddenly turned purple. The reason for this change in color of LED street lights ...

Next month marks the four-year anniversary of the world’s most ambitious LED street light conversion project. On February 16, 2009, Los Angeles Mayor Antonio Villaraigosa and President Bill Clinton ...