Gauge of fuel. Guage of gas, gasoline. Full or empty tank of petrol or diesel in car. Indicators on dashboard in auto. Dial of measurement, level, control power. Efficiency of pump equipment. Vector.. Gauge of fuel. Guage of gas, gasoline. Full or empty tank of petrol or diesel in car. Indicators on dashboard in auto. Dial of measurement, level, control power. Efficiency of pump equipment. Vector