HHI obtains AiP from ABS for ammonia-based ship system

The American Bureau of Shipping (ABS) has awarded Approval in Principle (AiP) to HD Hyundai Heavy Industries (HHI) for its new ammonia-based ship HVAC refrigeration system. Developed in response to shipowners’ request for refrigeration of HVAC systems using ammonia, Hyundai’s system offers a more eco-friendly solution with zero ozone depletion potential (ODP) and a Global