A method and {TAIL ~ device} for treating exhaust gases of an internal combustion engine with {HEAD ~ a reducing agent} introduced into the exhaust gases 
A method and { TAIL ~ device } for treating exhaust gases of an internal combustion engine with { HEAD ~ a reducing agent } introduced into the exhaust gases
OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH