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STEVE INSKEEP, HOST: Good morning. I'm Steve Inskeep. In the movie "Christmas Vacation" Chevy Chase's character attaches thousands of Christmas lights to his roof with a
staple gun. When the lights go on, utilities have to boost their power to avoid a blackout. That would not happen today. Stores are selling more LED lights this year, which use less energy.
As those lights grow cheaper, Wal-Mart says it will devote half its Christmas light shelf space to LEDs. Costco says it will not sell anything else. It's MORNING EDITION. Transcript
provided by NPR, Copyright NPR.
