A system for providing {TAIL ~ fuel} to an engine fuel delivery system and to an exhaust aftertreatment system associated with {HEAD ~ an engine} 
A system for providing { TAIL ~ fuel } to an engine fuel delivery system and to an exhaust aftertreatment system associated with { HEAD ~ an engine }
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD