Test or trial


Mercedes Pinto vessel. May 7, 2026
Baleària's third dual-fuel fast ferry Mercedes Pinto hits 38 knots in sea trials  

The 123-metre vessel is destined for the Canary Islands and can run on biomethane.
Reimei vessel. May 4, 2026
MOL achieves 98% methane slip reduction in LNG-fuelled vessel trials  

Japanese shipping company exceeds target in demonstration trials aboard coal carrier operating between Japan and Australia.
Everllence 18V51/60 engine. April 29, 2026
Everllence completes first factory test of 18V51/60 engine running on B100 biofuel  

French facility tests 18,900 kW engine converted to run entirely on biofuel in Corsica.
Kawasaki Kisen Kaisha (K Line), Sumitomo Corporation and NYK Line logo. April 24, 2026
Japanese shipping firms secure government funding for Singapore ammonia bunkering trial  

Sumitomo, K Line and NYK to demonstrate ship-to-ship ammonia fuel supply operations.
Kota Ocean vessel. April 24, 2026
PIL and PSA launch Singapore’s first joint land-sea green shipping service  

DNV-verified service allows shippers to reduce Scope 3 emissions through lower-carbon fuel allocation.
Mercedes Pinto vessel. April 24, 2026
Baleària begins sea trials of dual-fuel catamaran Mercedes Pinto in Gijón  

Third LNG-powered fast ferry expected for delivery in May, destined for Canary Islands routes.
Svitzer Balder vessel. April 22, 2026
Battery-methanol harbour tug completes sea trials ahead of Gothenburg deployment  

Svitzer Balder is claimed to be the most powerful electric escort tug in the world.
Everllence B&W 6G60ME-LGIA HPSCR engine. April 21, 2026
Everllence’s ammonia-fuelled engine passes factory acceptance test ahead of October delivery  

Engine built by HHI-EMD will power Eastern Pacific Shipping’s very large ammonia carriers.
Rolls-Royce mtu engine test bench. April 17, 2026
Rolls-Royce Power Systems switches German engine test facilities to HVO fuel  

Company saved 3,200 tonnes of CO2 by end of 2025 after switching to renewable diesel.
Camellia Dream vessel. April 17, 2026
Norsepower completes factory tests for 18 rotor sails bound for Airbus fleet  

Wind propulsion units cleared for installation on LD Armateurs vessels targeting 50% emissions reduction.
Dinamo IV vessel. April 13, 2026
Sanmar completes sea trials for 14th all-electric tugboat  

Turkish shipyard marks half-century in business with latest battery-powered vessel from ElectRA series.
Hydrogen-fuelled engine 6UEC35LSGH. March 30, 2026
Japan consortium achieves hydrogen co-firing in main engine for large commercial vessel  

Engine reaches over 95% hydrogen co-firing ratio, with installation planned for 2027.
Engine retrofit report 2026 graphic. March 30, 2026
Retrofit capability expands as regulatory uncertainty slows alternative-fuel conversions  

Lloyd’s Register warns delayed conversions could compress demand into a narrower, costlier timeframe as the fleet ages.
Photograph of the Aframax tanker Eagle Brasilia at sea. March 11, 2026
AET completes first bio-LNG trial on dual-fuel tanker  

Tanker operator tests renewable fuel ahead of FuelEU Maritime compliance requirements
Everllence H2 test engine. February 27, 2026
Everllence develops hydrogen test bench for marine engines  

German engine maker upgrades Augsburg facility under HydroPoLEn project backed by federal maritime research funding.
Genesis Sea vessel. February 12, 2026
Ulstein Verft completes sea trials for Genesis Sea CSOV ahead of spring delivery  

The 89.6-metre vessel features hybrid battery propulsion and preparations for green methanol operation.
Aerial view of tanker vessel at sea. January 28, 2026
Fuel treatment technology shows 21% efficiency gain in university tests  

Fuelre4m's technology reduced fuel consumption in marine engines without modifications, according to an Athens university study.
Everllence’s 21/31DF-M engine render. December 10, 2025
Everllence confirms ethanol operation on 21/31 four-stroke engine  

Engine builder says tests in Denmark validated fuel flexibility of methanol-capable platform.
Laura Mærsk vessel. December 8, 2025
Maersk to trial 50% ethanol blend on dual-fuel methanol vessel  

Shipping line plans higher-ethanol-content tests following initial 10% blend trial on Laura Maersk.
Grupo Ibaizabal vessel render. November 11, 2025
NextDF engines achieve 0.9% methane slip for Ibaizabal's LNG bunkering vessel  

Factory tests show methane emissions far below FuelEU Maritime threshold on newbuild.
Rolls-Royce first pure methanol marine engine. October 28, 2025
Rolls-Royce tests first pure methanol marine engine in world first  

Facility test marks development step for methanol marine fuel technology.
Demonstration vessel REIMEI. October 7, 2025
Japanese consortium achieves 98% methane slip reduction in LNG vessel trials  

Mitsui O.S.K. Lines, Kanadevia, and Yanmar exceed target in onboard demonstration.
Hanwha Ocean conducts world’s first ship-to-ship LNG transfer during sea trials. October 6, 2025
Hanwha Ocean claims world's first ship-to-ship LNG transfer during sea trials  

South Korean shipbuilder says innovation reduces environmental impact and avoids terminal congestion delays.
Model testing for Green Handy methanol-powered vessel. September 15, 2025
Methanol-fuelled Green Handy ships pass model tests ahead of 2026 construction  

Baltic carrier reports model testing exceeded performance targets for 17,000 dwt methanol-powered vessels.
Aurora Expeditions' Sylvia Earle. September 11, 2025
Aurora Expeditions claims 90% GHG reduction in landmark HVO trials  

Sylvia Earle said to be the first Infinity-class ship to trial HVO biofuel.
Pictured: Biofuel is supplied to NYK Line's Noshiro Maru. The vessel tested biofuel for Tohoku Electric Power in a landmark first for Japan. February 12, 2025
NYK trials biofuel in milestone coal carrier test  

Vessel is used to test biofuel for domestic utility company.