Meticulously engineered for optimum efficiency synergy logo

The mileage is in the details  

At Exxon and Mobil, we pay attention to every last detail. That includes carefully formulating the 7 meticulously balanced ingredients in Synergy™ gasoline – painstakingly designed and tirelessly tested to take you further.*

Formulated for efficiency

We’re obsessed with efficiency and giving you better gas mileage. It’s why we meticulously engineer all three grades of Synergy™ gasoline.

We carefully develop all our fuel to help give your vehicle:

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    Better gas mileage

    Helps improve your vehicle’s fuel economy* by reducing engine deposits.

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    Engine protection

    Helps protect intake valves and helps prevent rust in your vehicle’s fuel system.

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    Better responsiveness

    Helps prevent gunky build-up to rev up your engine’s performance.

Developed Synergy Gasoline with Engineer

*Fuel economy improvement is based on Synergy-branded gasoline compared to gasoline meeting minimum U.S. government standards. Actual benefits will vary based on factors such as vehicle type, driving style and gasoline previously used.