| 摘要 |
<p>A motor fuel composition comprising (1) a gasoline suitable for combustion in a spark-ignited internal combustion automotive engine, and (2) an intake valve deposit controlling amount of an additive comprising one or more C6+ aliphatic primary amines, one or more gasoline dispersants selected from the group consisting of polyalkylamines and Mannich bases, and a nonvolatile fluidizer oil.</p> |
