Digital Solution: Picking the Brightest, Most Efficient Light Bulb ...
New Light Bulb Standards for a More Efficient - California Energy ...
What are the most efficient light bulbs
NRDC: Your Guide to More Efficient and Money-Saving Light Bulbs
Philips launch world's most efficient light bulb - Manufacturing Digital
New energy-efficient light bulb goes on sale Sunday - USA Today
Energy Savers: Lighting Choices to Save You Money
The new lights are also much more efficient so they save you money. . have a capsule inside that holds gas around a filament to increase bulb efficiency.
A more efficient light bulb for $60 - San Antonio Express-News
Apr 20, 2012 . NEW YORK How much would you pay for an amazing, state-of-the-art light bulb? Shoppers will be asking themselves that very question at .