Liquefied biomethane’s (LBM) premiums over HSFO in Rotterdam have narrowed by $101-103/mt to $233-361/mt depending on engine type over the past week. LBM has fallen by $91-93/mt, while HSFO has gained $10/mt. LBM’s premiums over VLSFO have narrowed by $58-60/mt to $162-290/mt, and its discounts to LSMGO have widened by $26-28/mt to $323-452/mt depending on …