An engine torque of a combustion engine 2, in which {HEAD ~ an efficiency characteristic} can be selected from those in a lean state and in a stoichiometric state, and {TAIL ~ a motor torque} of a generator/motor 3 are transmitted to a driving output system as a driving torque 
An engine torque of a combustion engine 2 , in which { HEAD ~ an efficiency characteristic } can be selected from those in a lean state and in a stoichiometric state , and { TAIL ~ a motor torque } of a generator / motor 3 are transmitted to a driving output system as a driving torque
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH 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 OTH