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Hyundai Heavy Industries Co., Ltd. (HHI), the world’s biggest shipbuilder and a leading marine engine manufacturer, has announced that it has completed a type approval test of two ultra-long stroke marine engines under license with MAN Diesel & Turbo.

The type approval test of the G (Green)-type marine engines, 7G80ME-C9.2 at 37,900 and 6G80ME-C9.2 at 38,200 bhp was attended by supervisors from 11 classification societies including ABS, DNV, LR, and shipowners’ representatives.

A G-type marine engine was installed on Almi Tankers’ 319,000 DWT VLCC and the other one is scheduled to be installed on Thenamaris Ship Management’s 5,000 TEU containership.

Since the G-type engines use 7% less fuel and produce 7% less emissions than engines with the same output, the G-type engine will save the respective owners about USD 2.9 million and USD 1.3 million a year, HHI said.

Hyundai Heavy has experience in developing eco-friendly engines. The company developed the world’s first gas engine package including duel fuel 2-stroke marine engine and 4-stroke HiMSEN engine (H35DF), LNG fuel gas supply system (Hi-GAS), a selective catalytic reduction (SCR) system that reduces NOx emissions by 95%, and LNG-fueled HiMSEN H35/40GV engine that emits 20% less carbon dioxide than diesel engines and reduces NOx emissions by 97%.

Image: Type Approval Test of Hyundai-MAN B&W G80ME-C9 engine.