Business lines Global brands EN FR Select location Search this website Menu Esso Home Synergy Diesel Efficient™ fuel for passenger vehicles Synergy Diesel Efficient™ fuel for light-duty trucks and vehicles Bob Oakman is ready for commitment – to Synergy Diesel Efficient™ fuel. It helps keep your engine cleaner for better diesel fuel economy as compared to diesel without a detergent additive. Only available at select Esso™ and Mobil™ stations, Synergy Diesel Efficient has a unique formulation that helps to: Helps improve your vehicle’s fuel economy* by reducing engine deposits. Helps boost engine power and responsiveness Helps reduce emissions and burn cleaner* Helps protect your engine from dirty injectors Get pumped at the pump Synergy Diesel Efficient fuel for light-duty trucks and vehicles inspires legendary monster truck announcer Bob Oakman to amp up the oomph. Watch the video to find out how crazy he can get. Believe the hype. Transcripts available Coming to a station near you Starting in 2018 and moving forward, Synergy Diesel Efficient fuel will be offered in select markets in the United States and Canada. The next time you fill up your diesel car or truck, make sure to try the diesel fuel that helps improve fuel economy and deliver more power. Just stop into your local Esso™ or Mobil™ station, and look for the next-generation Synergy Diesel Efficient-branded pumps. Find a station Want more information on Synergy Diesel Efficient fuel? View our FAQs Believe the hype. Synergy Diesel Efficient helps keep your engine cleaner for better fuel efficiency, as compared to diesel without detergent additives. Only available at Esso™ and Mobil™ stations, its unique formulation helps to: 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 Energy to take you further The helpful services found at Esso™ and Mobil™ stations and Imperial provide the fuels and expertise to help power customers across Canada. Learn more Fill up on PC Optimum points Now earn PC Optimum points at Esso™ and Mobil™ stations across Canada. Learn more 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. Learn more Synergy™ gasoline Learn about our Synergy gasoline, powered by 7 key ingredients and engineered to help improve fuel economy.† Learn more *Applies to Synergy Diesel Efficient 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. Concentration and availability of our proprietary additive package may vary based upon factors beyond our control. © 2019 Imperial Oil Limited. All rights reserved. Esso is a trademark of Imperial Oil Limited. 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