Azeri crude Oil is refined domestically at two refineries: the Azerineftyag (Baku) refinery, with a capacity of 239,000 bbl/d; and the Heydar Aliev (formerly called Azerneftyanajag) refinery, which has a capacity of 160,000 bbl/d. Overall refinery utilization rates are as low as 40 percent. Middle Distillates (e.g. diesel fuel, Gasoline, kerosene) comprise the majority of Azeri refinery output.