The diesel fuel combustion system operation is enhanced by improving {HEAD ~ the attributes} of lubricating oil loaded with {TAIL ~ the combustion byproduct soot particles} 
The diesel fuel combustion system operation is enhanced by improving { HEAD ~ the attributes } of lubricating oil loaded with { TAIL ~ the combustion byproduct soot particles }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL