Grades available in the market
In the Republic of Korea (South Korea), diesel sold at fuel retail stations is B4 (diesel containing up to 4% v/v of biodiesel). However, B10 (diesel containing up to 10% v/v of biodiesel) and B20 (diesel containing up to 20% v/v of biodiesel) are available for captive fleets and other bulk consumers in winter and summer respectively.
No B100 is sold in fuel retail stations.