What does B50 mean?

B50 means a blend of 50% biodiesel (FAME) and 50% diesel. B50 has been mandatory in Indonesia since 1 July 2026 under ESDM Ministerial Decree (Kepmen) No. 257.K/EK.01/MEM.E/2026, with all fuel stations due to sell B50 from 1 October 2026. The government describes 2026 as a transition period, with full B50 implementation starting in January 2027. Learn about B20 to B50.