Five green companies recognized by their peers at the Energy Venture Fair.
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While some automakers use hybrid technology to boost performance, some drivers are raising their MPG.
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Latest round brings energy management company’s total funding to $40.9 million.
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The deal gives the filtration products company a firm that helps utilities manage energy meters.
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A retro technology is getting renewed interest as high-tech power storage.
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Startups are seeking a way to keep hackers from monkeying with the U.S. power grid. (Second of three parts.)
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