| 摘要 |
The present disclosure is directed to a middle distillate fuel composition comprising a friction modifying effective amount of a hydrocarbyl-substitute d succinimide derived from maleic anhydride, polyisobutylene and ammonia; and a middle distillate fuel. A method for modifying friction in a compression engine comprising providing to the engine the disclosed fuel composition is also disclosed. Moreover, there is disclosed a method for improving fuel mileage.
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