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California Gasoline Data, Facts, and Statistics

Published by California Energy Commission | State of California | Metadata Last Checked: July 29, 2025 | Last Modified: 2020-10-28T17:10:37.899716
Gasoline is the most used transportation fuel in California, with ninety seven percent of all gasoline being consumed by light-duty cars, pickup trucks, and sport utility vehicles. In 2015, 15.1 billion gallons of gasoline were sold, according to the State Board of Equalization. Gasoline sold in California at retail is made up of 90 percent petroleum based gasoline (as specified by the California Air Resources Board) and 10 percent ethanol. Ethanol became the primary blending oxygenate in gasoline in 2003, as Methyl Tertiary Butyl Ether (MTBE) was fully phased out of by that year.

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