Q: Will energy efficient light bulbs cost $50 each next year? A: Some light emitting diode bulbs may cost that much, but some halogen incandescent bulbs and compact fluorescent bulbs go for about ...

Buying a light bulb used to be a no-brainer. Now it's a brain teaser; the transition to more energy-efficient lighting means choosing from a dazzling array of products. We've long identified bulbs by ...

The Energy Independence and Security Act of 2007 requires most screw-in lightbulbs to use at least 27 percent less energy by 2014. CFLs, LEDs, and some halogen bulbs, a type of incandescent, meet that ...

The incandescent light bulb has been around since the late 1800s, but the venerable technology’s dominance seems just about over. On January 1, 2014, in keeping with a law passed by Congress in 2007, ...