Inventors:
Michael J. Abowd - Ann Arbor MI
Pierre Y. Abboud - Cortland OH
James R. Ray - Cortland OH
Assignee:
General Motors Corporation - Detroit MI
International Classification:
G01F 2318
G01F 2322
G01F 2500
Abstract:
A method of measuring and indicating a level of natural gas fuel in a storage tank of a motor vehicle, comprising the steps of determining a temperature of the natural gas, determining a pressure of the natural gas, retrieving from a look-up table, responsive to the determined temperature and pressure, a signal representative of a percentage that the tank is full of the natural gas, determining a gauge command responsive to the signal, and driving the gauge according to the determined command.