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  Portsmouth, United Kingdom
Elenger Marine's LNG bunkering vessel Optimus alongside Brittany Ferries’ Saint-Malo. October 24, 2025
Titan delivers first liquefied biomethane to Saint-Malo ferry in Portsmouth  

Optimus tanker supplies Brittany Ferries' vessel with biomethane at UK port.




   Fuels & Propulsion

Ammonia B100 B24 B30 Bio-LNG/LBM Biofuel Biogas Biomethanol Dual-fuel E-fuel E-methane/e-NG E-methanol Electric Ethanol FAME Green hydrogen Green/e-ammonia HVO Hydrogen LNG LPG Lubes Methanol MGO Nuclear UCOME ULSFO VLSFO Wind power