This is a key to unlock features in GasRecord. This application does not run on its own, you need to download the free version of GasRecord AND this key to unlock the paid Plus features. GasRecordA gas tracking program for multiple vehicles. With only a few keystrokes, you can record fuel purchases and calculate gas mileage or gas economy. Main screen includes current economy and average for the selected vehicle. View all fillups for each vehicle on a list view. View all fillup locations and price on a map view using GPS data. Back up data to your SD card and export report data to Excel. Use many units including: MPG, km/l, Miles per imperial gallon, Litre per 100km, Gallons per 100mi and even pounds of CO2/mile. Create PDF reports by vehicle over custom date ranges, display them on your phone and email them. Display Statistics for any or all vehicles over any date range. Display graphs of efficiency or gas price data for any or all vehicles over any date range. (Plus Feature). Synchronize vehicles between more than one phone. (Plus Feature). Select fuel Octane from many options. Please email me with bugs or suggestions.