| abstract |
Disclosed is a lubricant composition which is used in an internal combustion engine using a fuel containing at least one substance selected from the group consisting of natural fats and oils, hydrogenated products of natural fats and oils, transesterified products of natural fats and oils, and hydrogenated products of transesterified products of natural fats and oils. The lubricant composition is characterized in that the base oil contains a sulfur compound containing at least one -C-S-C- bond, and the amount of sulfur contained in the -C-S-C- bond is not more than 0.3% by mass based on the total amount of the composition. |