Company's L Prize LED bulb, which will go on sale on Earth Day for $50 online and in stores, brings a big jump in efficiency, life, and light quality. Martin LaMonica is a senior writer covering green ...

LED light bulbs are already supposed to be energy-efficient, but Signifiy thinks it can improve on the formula. The company has released Philips Ultra Efficient LED bulbs that, as the name implies, ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a writer focusing on home heating and cooling. He once ...

Practically everyone knows that LED and fluorescent light bulbs are better than inefficient incandescents, but many consumers just can’t resist the familiar shape and soft, warm glow. Philips plans on ...