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Power players

Area companies show the way toward renewable energy sources

Greg Cipriano, a vice president at Southborough-based Protonex Corp., with the company’s M250 fuel cell for RVs that use biofuel. Greg Cipriano, a vice president at Southborough-based Protonex Corp., with the company’s M250 fuel cell for RVs that use biofuel. (Globe Staff Photo / Bill Polo)
By Ralph Ranalli
Globe Staff / November 29, 2007

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Roaring with the constant din of traffic and enveloped in fossil-fuel exhaust, the Massachusetts Turnpike corridor seems an unlikely path to a future of clean, renewable energy. (Full article: 1312 words)

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