Fuel purchase is the major part of operation expenses in transportation, construction works, running the gensets and mining. The fuel consumption monitoring in on-line mode is the effective tool for contractor, fleet operator, site manager to control the fuel expenses, plan the job schedule, procurement and maintains. Knowledge of the consumed fuel let to improve the business efficiency, prevent the unauthorized use of machines and reduce the invoirement pollution, fleet running costs. The continuous monitoring the fuel level (volume) in the fuel tank by help of VEPAMON’s Fuel Level Sensors is the accurate and reliable method to provide the online control of the fuel utilization.