Gasoline (North American English) or petrol (Commonwealth English) is a petrochemical product characterized as a transparent, yellowish and flammable liquid normally used as a fuel for spark-ignited internal combustion engines.
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Gasoline, mixture of volatile, flammable liquid hydrocarbons derived from petroleum and used as fuel for internal-combustion engines. It is also used as a solvent for oils and fats. Originally a by-product of the petroleum industry, gasoline later became the preferred automobile fuel.
Gasoline price information for all states and selected U.S. Cities. These links will help you find the lowest price gasoline in your town.
Learn about the different types of gasoline, the differences, which you should use, and get the information you need before you fill up.
U.S. Gasoline Prices: $3.99 as of March 2026. Units: U.S. Dollars Frequency: Monthly Release: Average Price Data Source: U.S. Bureau of Labor Statistics Historical Chart The chart has 1 X axis displaying Time. Data ranges from 1978-01-01 00:00:00 to 2026-03-01 00:00:00. The chart has 1 Y axis displaying values. Data ranges from 0.629 to 5.149.
When you burn gasoline under ideal conditions, with plenty of oxygen, you get carbon dioxide (from the carbon atoms in gasoline), water (from the hydrogen atoms) and lots of heat.