On average, U.S. refineries produce, from a 42-gallon barrel of crude oil, about 20 to 19 gallons of motor gasoline, 12 gallons of distillate fuel distillate fuel, most of which is sold as diesel fuel, and 4 gallons of jet fuel. More than a dozen other petroleum products are also produced in refineries. Petroleum refineries produce liquids the petrochemical industry uses to make a variety of chemicals and plastics.  – EIA

(COTD = Chart of the Day)