A trimaran powered by a giant wing sail saw off its twin-hulled challenger to secure the America's Cup for the USA last month, winning the first two races in the 'best of three' competition held off the coast of Valencia in Spain.rnThe event was a battle between two of the largest multi-hulls ever built, the catamaran Alinghi, owned by Swiss billionaire Ernesto Bertarelli, and the trimaran BMW Oracle, owned by OraclernCEO and founder Larry Ellison.
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