The Facebook Beacon flap suggests that consumers need clear rules about what information about them is being shared.
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Bubble or not, demand for clean energy will drive innovation.
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A retro technology is getting renewed interest as high-tech power storage.
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Two years after North America's largest blackout, entrepreneurs offer better technologies. But few utilities are buying.
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Beacon could be well positioned if its flywheel alternative energy technology gains traction. However, troubles at sibling Plug Power have sent shares of parent companies Satcon Technologies and Mechanical Technology skidding.
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