Lubricating oil for a diesel powered engine and method of operating an diesel powered engine

摘要

A LUBRICATING OIL COMPOSITION USEFUL FOR A DIESEL-POWERED ENGINE IS PROVIDED THAT REDUCES NOX EMISSIONS LEVEL PRODUCED FROM A DIESEL-POWERED ENGINE. THE LUBRICATING OIL COMPRISES A BASE OIL AND AT LEAST ONE OIL-DISPERSIBLE SOURCE OF HNCO SUCH AS ISOCYANATES. A METHOD OF OPERATING THE DIESEL POWERED ENGINE USING THE LUBRICATING OIL IS ALSO PROVIDED.FIGURE 1