Energy-efficient light bulbs. (Sun Sentinel, file)

U.S. Department of EnergyEnergy SavingEnvironmental Issues
A London company called Hulger makes an artistic compact fluorescent light bulb called Plumen, which is meant to be used without a lamp shade or with a transparent shade. CFLs and LEDs, or light-emitting diodes, can last nine and 25 times longer, respectively, than incandescents, which last...