This app has you create an account because the data is stored on our server instead of locally on the device. You can view, edit and delete data on mpg.3dx2.comPlease email me if you have any issues. I would love to hear your feedback on how I can improve this app. I am working hard to meet your needs.Track your gas/fuel mileage and maintenance. Review your miles per gallons (mpg) history in a chart or graph and get notified when you are due for oil changes and review your maintenance history. The graph shows you two standard deviations for your MPG history, which will help you to detect issues with your vehicle quicker since you know how you drive and you can see your most recent fill up compared to your historical fill ups. In future versions, we’ll try and alert you when something seems abnormal.Features:Track Multiple Vehicles – NEW!!!!Mileage Tracking/Fuel TrackingOil Change NotificationsMaintenance TrackingData Stored On Server: Visit mpg.3dx2.comGraph Your MPG HistoryReview Price Per GallonAdd Fill Up by Entering your Current Odometer instead of Tripometer