An apparatus for measuring a level of fuel in a fuel tank comprising: an in-tank measuring system configured for mounting at a predetermined position within the fuel tank, wherein the in-tank measuring system is further configured to generate an oscillating output signal at the predetermined position, wherein the oscillating output signal has a frequency corresponding to the level of the fuel; an electrical circuit exterior to the fuel tank; and a communication path comprising a transmission line composed of a non-metal conductor, the communication path being configured to communicate the oscillating output signal from the predetermined position of the in-tank measuring system to the electrical circuit exterior to the fuel tank, wherein the in-tank measuring system comprises: a capacitive fuel probe configured for mounting within the fuel tank at a position to contact the fuel, wherein the capacitive fuel probe has a capacitance that is a function of a level of the fuel in the fuel tank; and a clock circuit configured for mounting within the fuel tank at a position in proximity to the capacitive fuel probe, wherein the clock circuit is configured to generate the oscillating output signal, wherein the oscillating output signal has a frequency corresponding to the capacitance of the capacitive fuel probe; wherein the apparatus further comprises: a first electrical conductor and a second electrical conductor for placing the fuel probe in electrical communication with the clock circuit, wherein the electrical conductors (45, 47) are formed from metallic wire. an in-tank measuring system configured for mounting at a predetermined position within the fuel tank, wherein the in-tank measuring system is further configured to generate an oscillating output signal at the predetermined position, wherein the oscillating output signal has a frequency corresponding to the level of the fuel; an electrical circuit exterior to the fuel tank; and a communication path comprising a transmission line composed of a non-metal conductor, the communication path being configured to communicate the oscillating output signal from the predetermined position of the in-tank measuring system to the electrical circuit exterior to the fuel tank, wherein the in-tank measuring system comprises: a capacitive fuel probe configured for mounting within the fuel tank at a position to contact the fuel, wherein the capacitive fuel probe has a capacitance that is a function of a level of the fuel in the fuel tank; and a clock circuit configured for mounting within the fuel tank at a position in proximity to the capacitive fuel probe, wherein the clock circuit is configured to generate the oscillating output signal, wherein the oscillating output signal has a frequency corresponding to the capacitance of the capacitive fuel probe; wherein the apparatus further comprises: a first electrical conductor and a second electrical conductor for placing the fuel probe in electrical communication with the clock circuit, wherein the electrical conductors (45, 47) are formed from metallic wire. a capacitive fuel probe configured for mounting within the fuel tank at a position to contact the fuel, wherein the capacitive fuel probe has a capacitance that is a function of a level of the fuel in the fuel tank; and a clock circuit configured for mounting within the fuel tank at a position in proximity to the capacitive fuel probe, wherein the clock circuit is configured to generate the oscillating output signal, wherein the oscillating output signal has a frequency corresponding to the capacitance of the capacitive fuel probe; wherein the apparatus further comprises: a first electrical conductor and a second electrical conductor for placing the fuel probe in electrical communication with the clock circuit, wherein the electrical conductors (45, 47) are formed from metallic wire.