Up to 14 Chicago skyscrapers are to be outfitted with new energy-saving technologies thanks to a $25 million deal paid for by the South Korean government. The new systems, which Korean officials hope will serve as a model for projects across Europe and North America, will automatically dim lights and reduce water temperatures in an attempt to cut energy use and save millions of dollars. "Our primary goal is to expand to a worldwide smart grid," a Korean minister said. "If we have a first success story, it will be easier to expand."

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