250 and are directed into an exhaust system 270 this example shows a variable geometry turbine vgt with a vgt actuator 290 arranged to move the vanes to alter the flow of the exhaust gases through the turbine 250 in other embodiments the turbocharger 230 may be fixed geometry and or include a waste gate the exhaust system 270 may include an exhaust pipe 275 having one or more exhaust aftertreatment devices 280 the aftertreatment devices may be any device configured to change the composition of the exhaust gases some examples of aftertreatment devices 280 include but are not limited to catalytic converters two and three way oxidation catalysts lean no x traps hydrocarbon adsorbers selective catalytic reduction scr systems and particulate filters other embodiments may include an exhaust gas recirculation egr system 300 coupled between the exhaust manifold 225 and the intake manifold 200 the egr system 300 may include an egr cooler 310 to reduce the temperature of the exhaust gases in the egr system 300 an egr valve 320 regulates a flow of exhaust gases in the egr system 300 the automotive system 100 may further include an electronic control unit ecu 450 in communication with one or more sensors and or devices associated with the ice 110 the ecu 450 may receive input signals from various sensors configured to generate the signals in proportion to various physical parameters associated with the ice 110 the sensors.