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TV boxes can drain energy

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Dear EarthTalk: Is it true that cable and other pay TV boxes that sit atop television sets consume massive amounts of energy, in part because they are always on, even when the TV is off?

— Sam Winston, Metairie

We hear a lot about how much energy modern day flat screen TV sets consume, but the innocuous set-top boxes that drive them, along with their built-in digital video recorders, may be even more to blame.

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