... electric motor, electric & gas dual system, energy-saving, long-distance running, Model name hybrid scooter Model type AH-XSHD Dimensions ... 49cc.1p49FEA engine Color buyer-defined Hybrid motor scooter AH-XSHDhybrid system has following advantages:energy-savingDual system ... also exhaust much less than ordinary dirt bike and scooter.Free, comfortable, dynamic,Perfect performance and energy conservation, ...