The Zero Emission Maritime Buyers Alliance has reported that its first low-emission shipping tender with Hapag-Lloyd delivered 82,000 mtCO2-equivalent of emissions reductions across 2025 and 2026, the reports account states. The tender concluded in October 2026 and centred on the use of liquefied biomethane on commercial sailings.
The reductions were realised through the application of liquefied biomethane across eight international voyages, carried out under 17 contracts between Hapag-Lloyd and members of the buyers alliance. The figure of 82,000 mtCO2-equivalent covers reductions delivered in both 2025 and 2026.
How the reductions were achieved
Sources indicated that liquefied biomethane was the fuel deployed to generate the emissions savings recorded under the tender. The report identifies LBM as the low-emission fuel used on the voyages associated with the contracts between ZEMBA members and Hapag-Lloyd.
The activity spanned eight international sailings, each operated under contracts forming part of the tender. Seventeen discrete contracts were completed between Hapag-Lloyd and the alliance members to deliver the cargo movements and the associated emissions outcomes.
Scope and contractual arrangements
The initiative is described as ZEMBA's inaugural low-emission shipping tender and involved agreements directly with Hapag-Lloyd on behalf of the alliance's participating buyers. The contractual framework produced measurable emissions reductions attributable to the specified voyages in 2025 and 2026.
The report does not detail the identity or number of the individual alliance members party to the contracts, nor does it list the ports of loading or discharge for the voyages concerned. It confines its account to the aggregate emissions outcome, the fuel used and the contractual count between Hapag-Lloyd and ZEMBA members.
Sources published the account summarising the tender's outcome on 23 October 2026. The piece sets out the headline metric of 82,000 mtCO2-equivalent and the operational facts, eight voyages, 17 contracts and the use of liquefied biomethane, as the basis for that total.
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