Simple application to Record your Fuel Consumption and Distance Travelled.1) Enter the distance travelled since the previous gas/fuel refuel2) Enter the amount of gas/fuel pumped3) The application calculates the Fuel Efficiency and Fuel Consumption Rate4) Click "Save" to record the entry.Select Settings to change the unit type to use: -(KM, Miles, Litres, Gallons, km/l, mpg, l/100km and gal/100mi).