High price premiums, geopolitical volatility, and regulatory uncertainty continue to limit e-fuel uptake in shipping, and neither public funding nor voluntary demand can resolve them alone. This concept note, written jointly by H2Global and ZEMBA, explores two conceptual models for combining the two: a voluntary buyers' group bidding into a double-sided auction, and a split auction using book-and-claim. The potential benefits, trade-offs, and unresolved questions of each are outlined, and stakeholder input is now invited through a market consultation.
