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: 3 August 2026 Rotterdam B100 premium over VLSFO narrows Dutch ZRE A price climbs by €25/mtCO2e B100 flips to discount to LSMGO in Singapore Rotterdam’s B100 has remained at a premium over VLSFO for another week, although the spread has narrowed by $69/mt to $41/mt over the past week. Its discount to LSMGO has widened by $77/mt to $417/mt. Singapore’s B100 has slipped to a $6/mt discount to LSMGO, from a $2/mt premium a week earlier. Liquefied biomethane (LBM) in Rotterdam has regained its price advantage over VLSFO for vessels with Otto medium speed (Otto MS) engines. The benchmark has shifted from a $25/mt premium a week ago to a $68/mt discount. For vessels with diesel slow speed (diesel SS) engines, Rotterdam’s LBM discount to VLSFO has widened by $93/mt to $242/mt. In Singapore, LNG’s premium over LSMGO for Otto MS engines has narrowed by $11/mt to just $4/mt over the past week. For vessels with diesel SS engines, Singapore LNG is priced at a $79/mt discount to LSMGO. Liquid fuels Rotterdam’s VLSFO and LSMGO prices have climbed by $26-34/mt over the past week. The gains have come despite a $6.89/bbl ($51/mt) slump in front-month ICE Brent futures, to $83.92/bbl ($615/mt), and a $1.85/mtCO2e decline in Dec26 EUA prices to $93.34/mtCO2e. Rotterdam’s HSFO price has bucked the trend, falling by $45/mt. Fuel availability remains tight for prompt deliveries in the ARA, with suppliers recommending lead times of 5-7 days to secure stems, a trader said. Rotterdam’s B100 price has dropped by $43/mt over the past week. Prima Markets-assessed Dutch ZRE A ticket prices have climbed by €25/mtCO2e to €130/mtCO2e, adding downward pressure on Rotterdam’s B100 benchmark. “Market sources had explained the strong gains by pointing ou