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