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EnergySail promises wind-solar combo for cleaner shipping

This rigid sail concept and other technologies could produce fuel savings of over 40 percent while lowering emissions.

By Nov. 7, 2012


Pacific islands go 100 percent solar

Tokelau's islands, a territory of New Zealand, are going on a sun-juice diet, and Crave's Eric Mack is jealous.

By Nov. 8, 2012