World’s first S90 methanol engine retrofit confirmed

World's First S90 Methanol Engine Retrofit Confirmed

Everllence has completed the world's first conversion of an Everllence B&W S90 two-stroke engine to dual-fuel methanol running.

The retrofit platform is designed for multi-fuel flexibility, offering conversions across alternative fuels, helping shipowners navigate the evolving fuel landscape.

The announcement followed successful sea-trials of Cosco Shipping Lines' container vessel, Cosco Shipping Libra, with its 11S90ME-C engine retrofitted to an 11S90ME-LGIM unit.

Everllence's retrofit platform ensures long-term compliance and competitiveness as the industry moves towards decarbonization.

Author's summary: Everllence completes world's first S90 methanol engine retrofit.

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Marine Log Marine Log — 2025-10-28