Before revision: A capacitor in the radio receiver of the vehicle supplies voltage in the key's transponder from inductive URL Road Electronic toll collection systems such as E-ZPass in the eastern United States use RFID transponders to identify vehicles.
After revision: A capacitor in the radio receiver of the vehicle generates a voltage in the key's transponder by inductive URL Road Electronic toll collection systems such as E-ZPass in the eastern United States use RFID transponders to identify vehicles.