WILLMAR -- The city of Willmar has had no problem with snow crusting on the energy-efficient LED (light-emitting diode) bulbs that have been installed since 2000 in the city's 19 traffic signal ...

If you’ve found yourself squinting at night while a newer SUV rolls toward you like a glowing refrigerator, you’re not alone. Across the U.S. and other countries, drivers are complaining that modern ...

Bright LED headlights improve visibility for motorists and make them significantly safer at night, but what about the driver coming the other way?

This article was featured in One Great Story, New York’s reading recommendation newsletter. Sign up here to get it nightly. The lightbulb was flickering over my head. Not the idealized cartoon ...

Paramedic Brian Anderson logs more than 150 miles during an emergency work shift crisscrossing Long Island roads and beyond. When faced with bright headlight glare from LEDs, he said drivers have ...

In 2014, Los Angeles cut its annual carbon emissions by 43% and saved $9 million in energy costs by replacing the bulbs in more than half of the city's street lamps with light-emitting diodes. That ...

The wrong lighting can be as bad for you as junk food, raising the risk of obesity, heart disease and certain cancers. That is the stark warning from former Harvard professor Martin Moore-Ede, a ...