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Petroleum Products Yielded from One Barrel of Crude Oil in California

Source: California Energy Commission, Fuels Office, PIIRA database. Based on 2004 data.
Date: May 6, 2008

One barrel contains 42 gallons of crude oil. The total volume of products made from crude oil based origins is 48.43 gallons on average - 6.43 gallons greater than the original 42 gallons of crude oil. This represents a "processing gain" due to the additional other petroleum products such as alkylates that are added to the refining process to create the final products.

Additionally, California gasoline contains approximately 5.7 percent by volume of ethanol, a non-petroleum-based additive that brings the total processing gain to 7.59 gallons (or 49.59 total gallons).

Product Percent of Total
Finished Motor Gasoline 51.4%
Distillate Fuel Oil 15.3%
Jet Fuel 12.3%
Still Gas 5.4%
Marketable Coke 5.0%
Residual Fuel Oil 3.3%
Liquefied Refinery Gas 2.8%
Asphalt and Road Oil 1.7%
Other Refined Products 1.5%
Lubricants 0.9%