How can an LG HDTV save energy?

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How can an LG HDTV save energy? TV/Audio/Video Buyers' Guide

Friendly energy is smart energy. In addition to adhering to the new Energy Star 3.0 guidelines, LG HDTVs with Smart Energy Saving have energy-saving options like the ability to choose a content-specific setting, “video mute” or engaging exclusive Intelligent Sensor Technology that automatically dims the backlight.