Recent developments
•In 2023, the AZS 936:2023 Fuel for internal combustion engines. Unleaded gasoline. Technical conditions, that defines two octane grades (92 and 95) and only one level for sulfur content in fuel 10 mg/kg
•State Oil Company of Azerbaijan Republic (SOCAR) has finished the upgrade of the Baku Heydar Aliyev refinery to be able to produce Euro-5 equivalent gasoline and diesel. The refinery is still implementing a large-scale modernization and reconstruction project to increase the capacity. This is expected to be completed in 2027