Diesel
New Synergy Diesel Efficient™ fuel
Introducing our next-generation, breakthrough diesel formulation. Synergy Diesel Efficient fuel has been rigorously tested in the lab and on the road — proving its benefits for both passenger vehicles and commercial fleets.
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Synergy Diesel Efficient fuel for fleets
Synergy Diesel Efficient fuel also can help commercial vehicles improve their fuel economy and injector cleanliness, provide corrosion protection, and boost power and responsiveness.*
Diesel that never compromises on quality
- Blended to provide good ignition quality
- Low-temperature fluidity to keep your vehicle moving in colder temperatures
- Blended according to seasonal specifications
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Quality fuels to get you where you're going
Discover what steps we take to ensure the quality of our fuels.
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The right fuel for your vehicle
Get the most out of your engine, and your journey, with Exxon and Mobil SynergyTM gasoline and diesel.
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Get more out of every trip
Explore our comprehensive list of tips to help you improve fuel efficiency and get more out of every trip.
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Synergy™ gasoline
Learn about our Synergy gasoline, powered by 7 key ingredients and engineered to help improve fuel economy.†
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*Applies to Exxon and Mobil Synergy Diesel Efficient-branded fuel compared to diesel fuel without detergent additive. 35 more miles assumes a 250 gallon tank with an average of 7 miles per gallon. Actual benefits will vary depending on factors such as vehicle/engine type, driving style and diesel fuel previously used.