Mobil Diesel Efficient™ fuel
Hardworking fuel for hardworking people
CALco Pallet Company
Not much goes to waste at CALco Pallet in Illinois. The pallet manufacturer saw fuel mileage increase and fuel filter clogs decrease, which adds up when you’ve got a lot of city miles and tough Midwestern winters.
10-2-4 Ranch
After testing Mobil Diesel Efficient™ fuel for only 65 hours, 10-2-4 Ranch saw cleaner injectors. "Cleaner injectors mean a cleaner combustion and a more efficient engine," said Jeremy Gardner, Ranch Operations.
Explore the benefits
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Independently tested
The first and only fully formulated branded diesel fuel with independently tested, quantified on-road fuel economy and emissions reductions claims from a major energy company
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Improved fuel economy
Leading third-party lab testing demonstrated an average fuel economy improvement of 2% in on-road applications*
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Reduce CO2 emissions
Leading third-party lab testing demonstrated an average 2% reduction in CO2 tailpipe emissions in on-road application*
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Restore engine power
Helps prevent and clean up deposits to restore engine power and responsiveness
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Reduced maintenance cost
Offers fuel system corrosion protection and can also help prevent premature fuel filter plugging
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Increased uptime
Better diesel fuel economy and reduced maintenance help your vehicles go farther on every tank
| Benefit | On-road | Off-road |
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| Improved fuel economy |
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| Reduced CO2 emissions |
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| Improved engine power |
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| Reduced maintenance cost |
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| Increased uptime |
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Diesel fuel additive considerations
Fleets looking to enhance their diesel fuel formulation should seek input from their fuel providers on the additive content already in their supply, as well as best practices for adopting new additives.
Read about diesel fuel additives -
Benefits of a pre-additized winter diesel fuel
Winterized Mobil Diesel Efficient fuel is designed to reduce occurrences of fuel gelling in cold climates. Find winterized Mobil Diesel Efficient fuel November through March at participating fuel terminals in the northern United States†.
Read about winter preparation steps
Find a fuel supplier near you
Product and Safety Data Sheets
*Mobil Diesel Efficient fuel claims are based on internal and third-party vehicle engine testing, laboratory testing, and/or industry or other scientific literature. Basis for comparison for all claims is versus unadditized diesel. Fuel economy and tailpipe CO2 emissions testing was performed at independent testing labs in the UK and US using on-road third-party customer trucks. Actual results may vary based on factors such as vehicle type, engine type, driving behavior, and other factors. Mobil Diesel Efficient fuel may be used in other heavy-duty and light-duty vehicles, but 2% average fuel economy improvement claim does not apply. Concentration and availability of our proprietary additive package may vary based upon factors beyond our control.
†Product availability may vary by location. Contact your local fuel supplier to learn about current availability. Actual benefits will vary depending on factors such as base diesel fuel composition, ambient temperature, vehicle/engine type, driving style, diesel fuel previously used, vehicle and fuel storage conditions, and other factors. Additive concentration and availability of winterized Mobil Diesel Efficient fuel may vary based upon factors beyond our control.