Synergy diesel efficient fuel technology

Synergy Diesel Efficient™ for passenger vehicles  

Next-generation diesel starts here.


Get more out of every gallon
Synergy Diesel Efficient fuel was created to let you drive cleaner, smarter and longer. Formulated with the latest breakthrough technology — and rigorously tested in the lab and on the road — it is the first diesel fuel widely available in the US with a proprietary formulation that helps:

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    Increase fuel economy* — so you can go more miles on every tank

  • engine icon

    Enhance engine performance for improved power

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    Reduce emissions and burn cleaner

  • Gear on Shield

    Protect your engine from dirty injectors


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*Applies to Exxon and Mobil Synergy Diesel Efficient-branded fuel compared to diesel fuel without detergent additive. Actual benefits will vary depending on factors such as vehicle/engine type, driving style and diesel fuel previously used.

© 2018 ExxonMobil. All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries.

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