The present invention provides composite organics and optoelectronic devices, including photovoltaic devices, comprising the same. A storage control system 13 includes one or more operation information storages 59 in which operation information of the storage control system 13 is stored. When the rapid closing operation of the throttle grip 21 is detected, a change-amount basic value calculating unit 28 calculates a change-amount basic value of the target throttle opening degree.