Patent ID: 8349775
Filing Date: 2013-01-08
Classification: C10M,C10N

Abstract:
1. A method for operating an internal combustion engine, comprising supplying the internal combustion engine with a fuel that comprises at least one fat and oil selected from a group consisting of natural fat and oil, hydrotreated natural fat and oil, transesterified natural fat and oil and hydrotreated transesterified natural fat and oil, wherein the internal combustion engine comprises a lubricating oil composition that comprises: a base oil; a component (A) comprising a boron derivative of a succinimide compound substituted by an alkyl or alkenyl group having a number average molecular weight of 200 to 5000; and a component (B) comprising an alkaline earth metal-based detergent, wherein component (A) is present in said lubricating oil composition in 0.01 to 0.2 mass % in terms of boron of a total amount of the composition and component (B) is present in 0.35 mass % or less in terms of the alkaline earth metal of the total amount of the composition.