S-Oil Starts B30 Marine Biofuel Supply in South Koreaby Ship & Bunker News TeamS-Oil aims to support growing demand for marine biofuels at Ulsan Port, with car carriers seen as a key market. Image Credit: S-OilSouth Korean petroleum and refinery firm S-Oil has launched B30-VLSFO marine fuel supply in South Korea. The firm sees Ulsan Port as a key market for biofuel, particularly for car carriers, giving S-OIL a strategic advantage in supplying customers. As a drop-in fuel, marine biofuel enables existing vessels to lower emissions without requiring engine modifications. Ship & Bunker reported last year that Ulsan Port is seeking to become a leading marine biofuel bunkering hub in Northeast Asia as the shipping industry decarbonises.