compact-fluorescent

Swapping 200 64-watt compact-fluorescent lightbulbs on balconies with 13-watt CFLs and changing out 50 20-watt halogen lamps with cooler and more efficient 4-watt LED lamps saved electricity.

The biggest losers: UNC students go on an energy diet 2010

One hitch was the compact-fluorescent burnout rate.

The New Light Bulbs Lose a Little Shine Rebecca Smith 2011

And be sure to check our Ratings for solar and hybrid water heaters, compact-fluorescent lightbulbs, pellet stoves, windows, and other energy-savers, available to subscribers, to get appliances and other products that work as well as they save.

Look who's caulking: Plug the holes in your house and your wallet 2010

Swapping 200 64-watt compact-fluorescent lightbulbs on balconies with 13-watt CFLs and changing out 50 20-watt halogen lamps with cooler and more efficient 4-watt LED lamps saved electricity.

The biggest losers: UNC students go on an energy diet 2010

And be sure to check our Ratings for solar and hybrid water heaters, compact-fluorescent lightbulbs, pellet stoves, windows, and other energy-savers, available to subscribers, to get appliances and other products that work as well as they save. —

Look who's caulking: Plug the holes in your house and your wallet 2010

"If energy is dirt cheap, it gets treated like dirt," says Arthur Rosenfeld, a physicist who headed a team of scientists at the federal government's Lawrence Berkeley National Laboratory, in California, that did some of the early development work on compact-fluorescent bulbs.

America's On-Again, Off-Again Light Bulb Affair 2009

Going door to door in a swing Congressional district, we distributed coupons, supplied by the local utility, for discounted compact-fluorescent lightbulbs, handed out postcards urging Bellevue's mayor to sign the national mayor's agreement, and enlisted volunteers for future efforts.

Paul Loeb: Global Warming, Local Hope 2008

Energy-Saving Light Bulbs Aurora, Ohio How many light-bulb makers does it take to change four billion U.S. sockets to compact-fluorescent lights?

His Bright Idea: Dominate 2007

The China-born Mr. Yan, who moved to the U.S. in 1979, has four factories in and around Shanghai that produce more than one million compact-fluorescent bulbs a day.

His Bright Idea: Dominate 2007

When halogen prices dropped amid fierce competition in the early 1990s, Mr. Yan switched to making compact-fluorescent bulbs, a market largely ignored by bigger manufacturers.

His Bright Idea: Dominate 2007