| abstract |
The present invention relates to a composition comprising a detergent composition and an active metal containing compound, wherein said detergent composition comprises a quaternary ammonium salt detergent and optionally an oxygen-containing detergent, said active metal containing compound being an organic phase, an amorphous iron compound Particles and at least one amphiphilic agent and is in the form of a colloidal dispersion. Such a composition can be used for fuel and can provide improved engine performance by using such fuel, specifically reducing / reducing fuel injector pollution in the engine or improving regeneration of the engine ' s particulate emissions traps. |