World News
New Feeder Design Could Enable Four-Week Ammonia Conversion
A new feeder vessel design concept developed by Hong Kong-based Seaspan Corporation and German ship design firm Technolog could allow conversion from LNG propulsion to ammonia within a four-week dry-docking period.
The 3,370 TEU concept, developed with classification society Lloyd’s Register (LR), is configured for LNG operation but incorporates a defined pathway for rapid conversion to ammonia, according to a case study published by LR on Friday.
Ammonia readiness is integrated at the design stage, with tank systems, piping arrangements and the dual-fuel engine configured to support a streamlined transition.
This approach reduces the need for extensive retrofitting and allows owners to align conversion timing with fuel availability and infrastructure.
The concept reflects a pragmatic response to uncertainty around future marine fuels.
With a large share of the feeder fleet ageing and emissions requirements tightening, the ability to defer a final fuel decision while maintaining operational flexibility may prove commercially advantageous.
Key Bunker Prices More
| VLSFO | MGO | |||
|---|---|---|---|---|
| $/mt | +/- | $/mt | +/- | |
| Singapore | 963.00 | 26.00 | 1351.50 | 10.50 |
| Rotterdam | 766.00 | 3.00 | 1446.00 | 11.50 |
| Houston | 817.00 | 11.50 | 1421.00 | 1.00 |
| Fujairah | 981.00 | 12.00 | 1768.50 | 17.50 |
| Global 20 Ports Average | 929.50 | 10.50 | 1565.00 | 13.00 |
| Global 4 Ports Average | 882.00 | 13.50 | 1496.50 | 9.50 |
| Global Average Bunker Price | 978.50 | 20.00 | 1616.50 | 18.50 |
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