| 摘要 |
18 A composition and method for reducing particulate emissions from a diesel engine without measurably increasing NOx emissions from the diesel engine comprises: i) burning in the diesel engine in excess air a fuel oil containing 0.01 ppm to 1 ppm of iron in a compound selected from the group consisting of ferrocene and its derivatives represented by the formula: wherein each of R and R', independent of the other is hydrogen, alkyl, cycloalkyl, aryl and heterocyclic.
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