Patent ID: 8076522

Claim:
A fuel composition exhibiting a reduced acceleration time, the fuel composition comprising a blend comprising (a) a non-Fischer-Tropsch derived diesel base fuel having boiling points within the range of from 150 to 400° C., a density of from 0.75 to 0.9 g/cm 3 at 15° C., and a cetane number of from 35 to 80, and (b) a quantity of from about 0.2 v/v. % to 3 v/v. % Fischer-Tropsch derived kerosene fuel product exhibiting a distillation range of from 140 to 260° C., a density of from 0.73 to 0.76 g/cm 3 at 15° C., and a cetane number of from 63 to 75; (c) the blend exhibiting a reduced acceleration time that is at least 0.20% less than a theoretical acceleration time calculated based on the relative densities, calorific values, and relative proportions of the components of the fuel composition, assuming a linear relationship between the relevant property and the theoretical acceleration time.