Alcoa (NYSE:AA) announced today that its Alcoa Closure Systems International (Alcoa CSI) business introduced X-Tech, a new interactive closure systems training course available for carbonated soft drink (CSD) bottlers facing extreme temperature cycling conditions. Alcoa CSI, one of the world's leading closure systems suppliers to the beverage industry, is launching X-Tech with a seasonal promotion that kicks off today aimed at regional bottlers in the U.S.