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