An unleaded gasoline composition comprising: (i) a gasoline base fuel; and (ii) component A, wherein component A is an alkyl alkenoate compound, or a mixture of alkyl alkenoate compounds, selected from compounds of formula I: wherein R1 is a linear alkenyl group containing 3 to 5 carbon atoms, optionally substituted by a methyl group, and R2 is a linear or branched alkyl group containing 1 to 6 carbon atoms. The gasoline composition of the present invention exhibits good lubricity. The gasoline composition of the invention in another aspect provides increased sensitivity.