TOKYO (AFP) - Energy-saving LED traffic lights seemed like a cool way to cut back on electricity costs, but Japanese police said Monday they might just be too cool - because they don't melt snow.

Cities around the country that have installed energy-efficient traffic lights are discovering a hazardous downside: The bulbs don’t burn hot enough to melt snow and can become crusted over in a storm ...

It's probably not news to many of you to hear that LEDs are the hottest (and coolest, come to think of it) thing in illumination nowadays. Consumer-pleasing and consistent color temperatures combine ...