Once a week, bunker intelligence platform ENGINE will publish a snapshot of alternative and conventional bunker fuel prices in the world’s two biggest bunkering hubs. The following is the latest snapshot: 20 July 2026 B100 discount to LSMGO widens to $541/mt in Rotterdam Singapore’s B100 drops to $106/mt below LSMGO Rotterdam LBM at $639-833/mt discounts to LSMGO B100’s premium over HSFO in Rotterdam has narrowed by $50/mt over the past week to $64/mt, while its discount to VLSFO has widened by $83/mt to $105/mt. B100 has become far more competitive against LSMGO in Rotterdam, with its discount widening by $180/mt over the past week to $541/mt, as a surge in conventional fuel prices left B100 broadly unchanged by comparison. B100’s price has risen by $109/mt in Singapore, but its discount to LSMGO has still widened by $102/mt to $106/mt, as LSMGO surged by an even greater $211/mt. Rotterdam’s LNG premium over VLSFO has widened by $35/mt to $201/mt for vessels with Otto medium speed (Otto MS) engines. For vessels with diesel slow speed (diesel SS) engines, LNG has flipped to a $15/mt premium over VLSFO, from a $22/mt discount the prior week. Liquefied biomethane (LBM) discounts to VLSFO in Rotterdam have narrowed by $50-52/mt to $203-396/mt over the past week. Against LSMGO, LBM discounts have widened by $45-47/mt to $639-833/mt, depending on engine type. In Singapore, LNG is now $42/mt cheaper than LSMGO for vessels with Otto MS engines, and $134/mt cheaper for vessels with diesel SS engines. Liquid fuels HSFO and VLSFO prices in Rotterdam have jumped by $66/mt and $99/mt respectively over the past week, while LSMGO has surged by an even steeper $196/mt. A $9.69/bbl ($71/mt) rise in front-month ICE Brent futures, to $87.94/bbl ($645/mt), drove bunker prices sharply higher across the board. Bunker fuel availability is tight for prompt delivery dates in the ARA ports, with buyers advised to enquire about stems between 5-7 days ahead to get good cover