But to create a white LED, red, blue and green light need to be combined. While the first two colors have been relatively easy to manufacture, researchers have struggled to produce a green LED.

A research team at GE has invented a way to cool a prototype LED light bulb using technology employed to cool jet engines. The bulb the researchers made uses LEDs and can produce the same amount ...

The massive department store chain Macy's is migrating 86 of its stores from traditional incandescent lights to green LED lights and will save millions over the decade lifespan of the bulbs.