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On the weekend of August 16, the bunkering vessel Haigang Zhiyuan delivered 8,016 metric tonnes of domestically produced green methanol to the dual-fuel container ship CMA CGM Osmium at Yangshan Port in Shanghai. Shanghai Customs supervised the operation. It is the largest single green methanol bunkering on record. The operation brought together Shanghai Electric, Shanghai International Port Group, and CMA CGM, with the fuel supplied principally from Shanghai Electric's Taona

Fuel is sold by mass and, for most of the industry's history, delivered by volume. That single mismatch is the origin of nearly every quantity dispute in bunkering, and it is the gap that decades of tradecraft have been built to exploit. The stakes have risen with the price. With VLSFO running past $910 per metric ton in the spring of 2026, a two percent discrepancy on a mid-sized stem costs upward of $15,000 before the vessel has left the berth. Service providers who conduct

There is a gap at the center of the marine fuel industry that catches operators out with striking regularity. A cargo of fuel can be delivered fully compliant with the ISO 8217 specification stated in the contract, pass an independent laboratory test against every parameter in the relevant table, and still wreck an engine. The specification and the engine's tolerance are two different things, set by two different bodies, for two different purposes, and the distance between th

Buying fuel looks, from a distance, like buying anything else. You ask for a price, you accept one, the product arrives, you pay. In practice, a bunker stem is a sequence of six or seven distinct stages, each generating its own document, and the buyer's leverage in any subsequent dispute is determined almost entirely by what was done, or not done, at the right stage. The uncomfortable truth of most bunker claims is that they were lost before anyone knew there was a problem. T