| abstract |
There is disclosed a base fuel oil, having improved response tonlubricity additives, for diesel fuel oil characterized by (1) sulfur content ofn0.03 wt% or less, (2) nitrogen content of 35 wt. ppm or less, (3) density ofn0.835 g/cm 3 or less and (4) solubility parameter of 7.00 to 8.10, and alsonprovides a diesel fuel oil composition comprising the above base fuel oilnincorporated with a lubricity additive. |