This success story is based on the experience of a single customer. Actual benefits will vary depending on factors such as vehicle/engine type, driving style and diesel previously used.
Applies to Exxon and Mobil Synergy Diesel Efficient-branded fuel compared to diesel fuel without detergent additive, and assumes a 250 gallon tank and an average of 7 miles per gallon. Vehicle testing showed an average fuel economy improvement of 2 percent.
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