An agreement among environmental advocates, government regulators and the cable and satellite television industry will make TV set-top boxes as much as 45% more energy-efficient by 2017. According to an article in The Los Angeles Times, the upgraded boxes could save enough power to run 700,000 homes, according to the Natural Resources Defense Council. The boxes are considered energy hogs because they always are on, even when the television is turned off. The agreement is anticipated to save an estimated $1 billion a year in energy costs.

Companies including Comcast, Motorola, DirecTV and AT&T have all pledged to abide by the agreement.

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