Everllence Completes World's First S90 Methanol Engine Retrofit
Everllence has announced the successful conversion of an Everllence B&W S90 two-stroke engine to dual-fuel methanol running.
The retrofit was completed on COSCO Shipping Lines' 20,000+ TEU container vessel, COSCO Shipping Libra, with its 11S90ME-C engine being upgraded to an 11S90ME-LGIM unit.
- Partnership: Everllence PrimeServ and COSCO Shipping Heavy Industry collaborated on the project.
- Scope: The project covered engineering, project management, installation, commissioning, and sea-trials.
- Investment: Everllence invested in a dedicated 4S90 testbed engine in Japan, commissioned in early 2025.
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Author's summary: Everllence completes first S90 methanol engine retrofit.