DNV GL awards AIP to KSOE for wing sail propulsion system by admin January 22, 2021 January 22, 2021 501 views DNV GL awards AIP to KSOE for wing sail propulsion system Busan, South Korea, 22 January 2021: DNV GL has awarded an Approval in Principle (AIP) to Korea Shipbuilding and… 0 FacebookTwitterLinkedinEmail