Business lines Global brands EN FR Select location Search this website Menu Esso Home Diesel Diesel New Synergy Diesel Efficient™ fuel Introducing our next-generation 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. View our FAQs Synergy Diesel Efficient fuel for passenger vehicles Now drivers of diesel cars and trucks in Canada can visit Esso™ and Mobil™ stations to fill up with Synergy Diesel Efficient fuel – designed to help improve fuel economy and power. Learn more 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.* Learn more Diesel that never compromises on quality Following the 2018 launch, Synergy Diesel Efficient fuel continues to roll out to select markets in Canada. Until it comes to your station, our existing Synergy™ diesel fuel will be available. All of our diesel fuels are held to high quality standards. Blended to provide good ignition quality Low-temperature fluidity to keep your vehicle moving in colder temperatures Blended according to seasonal specifications Synergy Diesel Efficient™ fuel It’s fully formulated to help you keep your diesel engines cleaner for up to 2% better fuel economy.† Take it from Bob Oakman, legendary monster truck announcer. Available only at Esso™ and Mobil™ stations. Learn more *Applies to Synergy Diesel Efficient branded fuel compared to diesel fuel without detergent additive, and assumes a 946 litre tank and an average of 3 kilometres per litre. Vehicle testing showed an average fuel economy improvement of 2 percent. Actual benefits and fuel economy will vary depending on factors such as vehicle/engine type, engine conditions, driving style and diesel fuel previously used. †Improvements, such as fuel economy, are based on Synergy-branded gasoline, where and when available, compared to gasoline meeting minimum Canadian government detergency standards. Actual benefits will vary depending on factors such as vehicle type, driving style, and gasoline previously used. Concentration and availability of the 7 Key Ingredients may vary based upon factors beyond our control, including supply disruptions. Esso, Esso Extra and Price Privileges are trademarks of Imperial Oil Limited. Imperial Oil, licensee. Mobil, Synergy and Synergy Diesel Efficient are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries. Imperial Oil, licensee. All trademarks used herein are trademarks or registered trademarks of Exxon Mobil Corporation or one of its subsidiaries unless indicated otherwise. Imperial Oil, licensee. Energy lives here™ Contact us Select location Privacy center Terms and conditions Privacy policy © Copyright 2003-2021 Exxon Mobil Corporation. All rights reserved. By clicking “Accept all cookies”, you agree to the storing of optional cookies on your device to enhance site navigation, analyze site usage, and assist in our marketing efforts. If you wish to adjust your cookie settings, please click “Customize Cookies”. You can also learn more by clicking Privacy policy Accept all cookies Customize cookies