Unusually for a car ferry, this ship would use three, massive computer-controlled sails to harness the maximum wind energy.

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They're just as eager to earn profits and reinvest them for maximum return as any razor-blade manufacturer, software programmer or energy company.

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Select "speed" for maximum power when multi-tasking, "stamina" to conserve energy or "auto" to have the unit select the appropriate computing usage for you.

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