The invention provides {TAIL ~ an improved system} for the treatment of combustion engine exhaust gases, based on an improved adsorber design for {HEAD ~ ported adsorber systems} such as above described 
The invention provides { TAIL ~ an improved system } for the treatment of combustion engine exhaust gases , based on an improved adsorber design for { HEAD ~ ported adsorber systems } such as above described
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH