ClassNK issues approval in principle (AiP) for Onboard Carbon Capture and Storage system (OCCS) developed by Mitsubishi Shipbuilding April 11, 2025 International Shipping, Maritime, Ship Building, Trade, Trending News TOKYO : ClassNK has issued an approval in principle (AiP) for an Onboard Carbon Capture and Storage system (OCCS) developed by Mitsubishi Shipbuilding. The certification confirms its feasibility from regulatory and safety perspectives. Interest