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Home News NYK to install air compression systems on LNG-fuelled car carriers

NYK to install air compression systems on LNG-fuelled car carriers

NYK is set to implement a cutting-edge Variable Compression Ratio (VCR) system in the construction of LNG-fuelled car carriers by Shin Kurushima Dockyard, with the first vessel anticipated for delivery in 2026.

The VCR system has the capability to dynamically adjust the air compression ratio within the engine combustion chamber, ensuring an optimal balance tailored to engine power and the specific properties of LNG fuel.

This fine-tuned adjustment is poised to enhance fuel efficiency during operation, realising approximately a 3% improvement in LNG gas mode and about 6% in diesel oil mode. Beyond immediate advantages, the system is expected to play an important role in reducing GHG emissions from existing ships and optimising engine efficiency as the industry transitions to decarbonised fuels.

Leveraging its expertise in large low-speed marine engines, Mitsui E&S DU collaborated with Winterthur Gas & Diesel Ltd, a Swiss engine licensor, to develop this innovative VCR system.

NYK Group said it is dedicated to robust collaboration with partners both in Japan and internationally, actively driving initiatives focused on energy-saving technologies.





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