Our remedy for fuel defrauding is to install a GPS transmitter in a vehicle connected to a fuel pump and a flow meter as well as a CAN bus and a filler cap. Such an arsenal will provide you with current information of the state of fuel, average fuel consumption, last fuelling and unauthorized opening of a filler plug. You can determine yourself where your driver can refuel. GPS Guardian locators work without interruption regardless of whether the power is turned on. Even a drop of fuel will not escape you from now. Have the full control over the truck petrol tanks.