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gasoline facts

About fuel

Find answers to your questions about gasoline and diesel fuel here.

It’s the energy we put into our fuels that makes them special. Well, that and 130 years of excellence in the industry. Our leadership and innovation in the fuels industry goes into every gallon of gas made to help you get wherever you need to go.

regular gas

Unleaded gasoline

Review our standards for the most common fuel for cars in America.

diesel car fuel


Our diesel fuels are blended to provide good ignition quality and have low-temperature fluidity characteristics that can help keep your vehicle moving in colder temperatures.



This corn-based fuel blendstock provides octane.

cost of gasoline


A variety of factors are used to determine the price of fuel.

What fuels you

Vote now or view past winners 

Although the submission period for the “what fuels you” contest has ended, you can still vote for current entries! Check out the voting gallery or see who’s already won $1000 in free Exxon and Mobil gasoline.


Giving you quality fuel you can depend on 

See which of our products is right for your vehicle.

learning about gas

Use your fuel efficiently 

These fuel efficiency tips help you get more miles out of every journey.

working car engine

Watch how your engine turns energy into motion 

Take a different kind of journey. Travel through your engine and see how Exxon and Mobil gasoline works to your benefit.

*Applies to Exxon and Mobil branded gasoline compared to gasoline meeting minimum U.S. government standards. Actual benefits vary depending on factors such as vehicle type, driving style, and gasoline previously used.