
ExxonMobil offers a range of Synergy fuels, including Synergy Diesel Efficient™ fuel, which is designed to improve fuel economy, boost engine performance, and reduce maintenance. The Synergy Diesel Efficient fuel is formulated with breakthrough technology and has been rigorously tested to ensure that it helps you get more out of every gallon. ExxonMobil also offers Mobil Diesel Efficient™ fuel, which is engineered to clean fuel injectors and enhance engine performance. Both Synergy Diesel Efficient and Mobil Diesel Efficient fuels are available at Exxon and Mobil stations, along with various other grades of Synergy fuel.
| Characteristics | Values |
|---|---|
| Fuel Type | Synergy Diesel Efficient™ |
| Engine Performance | Improved |
| Engine Maintenance | Reduced |
| Emissions | Cleaner |
| Fuel Economy | Improved (2% on average) |
| Fuel Injectors | Cleaner |
| Fuel Mileage | Improved |
| Fuel Filter Clogs | Reduced |
| Fuel Gelling | Reduced in cold climates |
| Fuel Injector Protection | Protects against deposits |
| Fuel Additives | Pre-additized, no need for off-the-shelf additives |
| Fuel Availability | Available at Exxon and Mobil stations |
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What You'll Learn

Synergy Diesel Efficient™ fuel
The benefits of using Synergy Diesel Efficient™ fuel are based on continuous use and may vary depending on factors such as vehicle type, engine type, driving style, and diesel fuel previously used. ExxonMobil recommends consulting with fuel providers to determine the additive content and best practices for adopting new additives.
In addition to the standard formulation, Exxon and Mobil also offer a winterized version of Synergy Diesel Efficient™ fuel. This variation is designed to reduce the occurrence of fuel gelling in cold climates and is available from November through March in the northern United States.
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Improved fuel economy
ExxonMobil offers a variety of Synergy fuels, including Synergy Diesel Efficient™ fuel, which is designed to improve fuel economy. This diesel fuel is the result of meticulous engineering and innovation, formulated with breakthrough technology and rigorously tested to ensure its effectiveness.
Synergy Diesel Efficient™ fuel has been shown to improve fuel economy by an average of 2%. This improvement is based on a comparison with unbranded diesel fuel or unadditized diesel without detergent additives. The actual benefits may vary depending on factors such as vehicle type, engine type, driving behaviour, and other factors.
The improved fuel economy is attributed to the fuel's ability to keep engines cleaner and enhance performance. Synergy Diesel Efficient™ fuel helps remove deposits, protect intake valves, and improve engine responsiveness. It also reduces the need for off-the-shelf additives, as it is pre-additized to keep fuel injectors clean, resulting in a more efficient engine.
In addition to improved fuel economy, Synergy Diesel Efficient™ fuel also provides environmental benefits by reducing tailpipe CO2 emissions. The use of deposit-control additives has been shown to reduce emissions, contributing to a cleaner driving experience.
ExxonMobil is committed to providing high-quality Synergy fuels that meet the performance needs of vehicles. Their active research organization ensures that the gasoline remains up-to-date with the latest technology, and their rigorous testing procedures guarantee the consistency and quality of their fuel products.
With Synergy Diesel Efficient™ fuel, drivers can expect not only improved fuel economy but also enhanced engine performance, reduced maintenance, and cleaner emissions, making it a smart choice for those seeking a more efficient and environmentally-conscious driving experience.
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Boosted engine performance
ExxonMobil offers a range of Synergy fuels, including Synergy Diesel Efficient™ fuel, which is designed to improve engine performance. This diesel fuel is the result of meticulous engineering and innovation, formulated with breakthrough technology and rigorously tested.
Synergy Diesel Efficient™ fuel is engineered to boost engine performance by improving fuel economy, reducing maintenance requirements, and providing cleaner emissions. Specifically, it helps to keep your engine cleaner, which in turn improves gas mileage and engine responsiveness. This is achieved through the use of fuel detergents that protect intake valves and injectors from deposits, ensuring a cleaner combustion process.
The benefits of using Synergy Diesel Efficient™ fuel can vary depending on factors such as vehicle type, engine type, driving style, and previous fuel used. However, vehicle testing has shown an average fuel economy improvement of 2%.
In addition to improved engine performance, Synergy Diesel Efficient™ fuel also offers the convenience of being widely available across the United States at Exxon and Mobil retail stations. It is also available at high-speed diesel pumps, making it accessible for fleets and heavy-duty vehicles.
With its advanced formulation and wide availability, Synergy Diesel Efficient™ fuel from ExxonMobil is a reliable choice for those seeking to enhance their engine performance and optimize their driving experience.
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Reduced maintenance
Synergy Diesel Efficient™ fuel is a type of diesel fuel offered by Exxon Mobil. It is formulated with breakthrough technology to improve fuel economy, boost engine performance, and provide cleaner emissions.
One of the key benefits of using Synergy Diesel Efficient™ fuel is its ability to reduce maintenance for diesel engines. Here are some ways in which this fuel helps in reducing maintenance:
Engine Cleanliness
Synergy Diesel Efficient™ fuel is engineered to keep diesel engines cleaner. It helps remove deposits from the engine, including intake valves and fuel injectors. By preventing the build-up of gunk and harmful deposits, the fuel keeps the engine cleaner and improves its performance. Cleaner engines also contribute to better fuel economy and engine protection.
Corrosion Protection
The Synergy Diesel Efficient™ fuel contains detergent additives that provide excellent corrosion protection for the engine. It helps protect intake valves and prevents rust in the vehicle's fuel system, further reducing the need for maintenance and repairs.
Fuel Injector Maintenance
Mobil Diesel Efficient™ fuel, which is also offered by Exxon Mobil, is specifically designed to keep fuel injectors clean. It is pre-additized at the terminal, eliminating the need for additional additives. This fuel helps to deliver power, reliability, and productivity by maintaining clean fuel injectors. Cleaner injectors contribute to cleaner combustion and a more efficient engine.
Winterized Fuel
In cold climates, Synergy Diesel Efficient™ fuel offers a winterized version designed to reduce the occurrence of fuel gelling. This feature helps to maintain the performance of diesel engines in low-temperature conditions and reduces potential issues caused by fuel gelling.
Engine Wear Reduction
The use of Synergy Diesel Efficient™ fuel can also lead to reduced engine wear. This benefit is based on industry-standard lubricant tests, and actual results may vary depending on continuous use and factors such as vehicle type and driving style.
By utilizing Synergy Diesel Efficient™ fuel, diesel engine operators can expect reduced maintenance requirements, improved engine performance, and enhanced fuel economy. The combination of engine cleanliness, corrosion protection, fuel injector maintenance, and winterized fuel options contributes to a more efficient and reliable diesel engine operation.
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Lower emissions
ExxonMobil offers a range of Synergy fuels, including Synergy Diesel Efficient™ fuel, which is designed to improve fuel economy and engine performance while reducing maintenance needs and providing cleaner emissions.
Synergy Diesel Efficient™ fuel is the result of rigorous testing in laboratories and on roads. It is the first diesel fuel widely available in the US with a proprietary formulation, helping users get more out of every gallon. This formulation includes additives that reduce occurrences of fuel gelling in cold climates.
Synergy Diesel Efficient™ fuel has been shown to deliver a 2% improvement in fuel economy compared to unbranded diesel fuel without detergent additive. However, the actual benefits may vary depending on factors such as vehicle type, driving style, and previously used diesel fuel.
ExxonMobil also offers Mobil Diesel Efficient™ fuel, which is engineered to clean and maintain fuel injectors. This fuel is fully formulated and pre-additized, eliminating the need for additional additives. It has been independently tested and proven to reduce emissions.
The use of Synergy fuels can lead to lower emissions, as they are designed to reduce deposits and improve fuel economy. For example, Synergy Supreme+ premium gasoline helps remove deposits, which can lead to fewer greenhouse gas emissions. The higher detergent levels in Synergy fuels also contribute to lower emissions by providing protection against intake valve deposits.
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Frequently asked questions
Yes, diesel fuel is included in Exxon Mobil Synergy fuels. Synergy Diesel Efficient™ fuel is a type of diesel fuel offered by Exxon Mobil. It is designed to improve fuel economy, boost engine performance, and provide cleaner emissions.
Synergy Diesel Efficient™ fuel is a type of diesel fuel offered by Exxon Mobil that is engineered to improve fuel economy, boost engine performance, reduce maintenance, and provide cleaner emissions. It is formulated with breakthrough technology and has been rigorously tested in labs and on roads.
Synergy Diesel Efficient™ fuel is available at participating Exxon and Mobil retail stations in the United States. You can find it at stations in NY, PA, OH, MI, CT, IL, NJ, IN, MA, MO, MT, RI, WA, and WI.
Yes, Synergy Diesel Efficient™ fuel offers several benefits. It is designed to improve fuel economy by an average of 2%, boost engine performance, reduce maintenance by keeping fuel injectors clean, and provide cleaner emissions. It also helps prevent fuel gelling in cold climates.










































