ClassNK issues AiP for ammonia-fuelled ammonia bunkering vessel developed by NYK Line and LMG Marin AS February 28, 2025 International Shipping, Bunkering, Shipping Line, Shipyards, Trending News TOKYO : ClassNK has issued an Approval in Principle (AiP) for ammonia-fuelled ammonia bunkering vessel. This vessel is jointly developed by Nippon Yusen Kabushiki Kaisha (NYK Line) and LMG Marin AS (a member of