Makai Ocean Engineering: Leaders in the OTEC and Submarine Cable Industries – Duke Hartman by noorirza | Sep 14, 2016 | Energy, Ocean Energy, OTEC, Video | 0 comments Credits: ThinkTech Hawaii Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.