Minimize Costly Oil Carryover in Your Heavy-Duty NG Engines

A new spark plug shines in front of old, worn-out spark plugs arranged in a circle.

These are the most common performance complaints for heavy-duty natural gas vehicles: Low power Difficulty starting Rough idling Engine hesitation when accelerating Occasional stalling  The most common culprit? Oil contamination in the fuel.  Oil contamination in heavy-duty NGVs can be hard to diagnose and even harder to remedy — especially if the vehicle technician is […]