The Problem

Volatile Methyl Siloxanes (VMS) in the landfill and sewage gas convert into silicon dioxide as combustion takes place in the engine. The silicon dioxide combines with other elements in the gas, and with the lubrication oil to form a hard matrix that accumulates on the combustion surfaces.

As the deposits accumulate, the engines efficiency falls causing detonation in the combustion chambers. The resultant unburned fuel contaminates the exhaust gas increasing emissions. At this point the engine may need to be "de-rated” (Output reduced) to prevent significant engine damage and to reduce emissions.

If run unchecked, severe damage can occur to valves, pistons, piston rings, liners, cylinder heads, spark plugs and turbochargers, necessitating premature servicing and costly repairs.