| 摘要 |
A composition for use as a fuel additive for a hydrocarbon fuel. The additive is in the form of particles of one or more complex oxides having a nominal composition as set out in formula (1): AxB1−yMyOn   (1) Wherein A is selected from one or more group III elements including the lanthanide elements or one or more divalent or monovalent cations; B is selected from one or more elements with atomic number 22 to 24, 40 to 42 and 72 to 75; M is selected from one or more elements with atomic number 25 to 30; x is defined as a number where 0<x<1 ; and y is defined as a number where 0<y<0.5.
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