As of Jan. 1, America's light bulbs will change forever. With new legislation requiring general purpose bulbs become more energy efficient - nearly 90% of their energy is wasted in heat - stores are rolling out new options that tweak Thomas Edison's incandescent invention.
Halogen, CFL, LED - how to choose? In today's WSJ, we shed some light on the subject and tell you prices, savings and all about the technology.
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