Range-extended electric vehicle(RE-EV)uses as an on-board range extender to increase its all-electric range (AER).

增程器（Range Extender，RE）是增程式电动汽车最重要的组件之一，它与车辆的（）密切相关

Range-extended electric vehicle (RE-EV) uses an engine as an on-board range extender to increase its all-electric range (AER). The engine and the generator form a fuel-electric generator set．