9 Vehicle fuel level sensing systems comprising a base, level sensing probe, float and gauge; vehicle fuel management and containment systems comprising reservoir, fuel cap, adapter, pump, level sensor, drain valves and vent valves; fuel level indicators for use in portable generators, fuel tanks and fluid drums; vehicle quick disconnect coupled refueling system composed of shut off valve, nozzle receiver, line connected to shut off valve for signaling closure of valve, level control valve and level control float; specialty fluid handling systems comprising nozzle receiver, shut off valve, line connected to shut off valve for signaling closure of valve