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One tonne of green maritime fuel pays out three ways

Book-and-claim insetting fixes the shipowner's Scope 1, the brand's Scope 3 and the bank's financed emissions.

By Carbon3 team1 min read

Sankey diagram of one tonne of verified alternative fuel: a 1.0 tonne reduction claimed across three ledgers, by the shipowner (Scope 1), the cargo brand (Scope 3, upstream transport) and the maritime lender (financed emissions).

Green maritime fuel isn't just a physical commodity it’s a financial asset. Because of book-and-claim insetting, a single tonne of biofuel pays out three ways: fixing the shipowner's Scope 1, the brand's Scope 3, and the bank's financed emissions All three carry value which insetting can help monetize.

Discover how your organization can leverage insetting as an instrument to abate Scope 3 emissions across the supply chain, or as an investor to de-risk and co-finance the infrastructure buildout. The 2026 Maritime Outlook by Carbon3 linkedin.com

Authors: Chris Chatterton, Paul Cruickshank, Ilja Nevolin International Chamber of Shipping American Bureau of Shipping (ABS) Maritime and Port Authority of Singapore (MPA) Lloyd's Maritime Institute DNV - Maritime

Originally published on LinkedIn, 5 May 2026.

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