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Tuesday, March 10, 2020 

The Korean Register (KR) has granted AIP (Approval in Principle) to verify the suitability of an LNG dual-fuel propulsion PCTC (pure car and truck carrier) developed by Hyundai Heavy Industries (HHI).

The AIP covers two PCTC (pure car and truck carriers) vessels with a respective capacity of 7,000 CEU and 8,100 CEU (car equivalent units). Both are equipped with IMO type C independent self-supporting LNG fuel tanks. The two vessels will be fitted with dual fuel systems that can use LNG and oil alternately and the ship design uses an optimum deployment of the fuel tanks to facilitate the loading of vehicles for shipping. A comprehensive risk analysis has been completed to safely block and control automobile exhaust gas and LNG fuel gas.

IMO classifies LNG gas carrier fuel tanks into membrane and independent self-supporting tank types. Independent tanks are further divided into Type A, Type B, and Type C tanks, with the type C tank using a pressure containment system that ensures safety and reliability and no risk of leakage.

KR says that following the IMO 2020 sulphur cap and its intention to further reduce greenhouse gas emissions by 50% by 2050, shipyards and shipping companies are facing tough compliance decisions and stricter international environmental regulations. HHI believes that an LNG dual fuel propulsion system offers the most efficient solution to meet these complex environmental regulations, as it is able to reduce CO2 emissions by 40-50% compared to 2008 levels, for all ship types including small and medium size vessels.

By applying additional energy saving devices such as air lubrication system and maximising ship performance, an additional 10-20% reduction can be achieved, thereby meeting the environmental regulations by 2050.

KR has been developing eco-friendly LNG technology for many years, and will continue to resolve any customers' technical difficulties with LNG. It invests significantly in research and infrastructure projects, such as the technology to apply LNG-fuelled technologies to different types of ships and establishing LNG bunkering technologies and systems.

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