| abstract |
The invention provides a method of increasing the sensitivity (RON - MON) of a gasoline composition comprising admixing with a gasoline base fuel from 1 to 20 vol.%, based on total volume of the gasoline composition, of a nitroalkane selected from the group consisting of nitroethane, nitropropane and mixtures thereof; and use of such a gasoline composition for improved operation of a homogeneous charge compression ignition (HCCI) engine over a range of load conditions. |