Exhaust temperatures in emission control devices may be directly controlled by {TAIL ~ an intake air throttle}, fuel injection timing, and {HEAD ~ exhaust pressure} when an emission control device is placed between two variable geometry turbocharger exhaust turbines and coupled to a combustion engine 
Exhaust temperatures in emission control devices may be directly controlled by { TAIL ~ an intake air throttle } , fuel injection timing , and { HEAD ~ exhaust pressure } when an emission control device is placed between two variable geometry turbocharger exhaust turbines and coupled to a combustion engine
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH