1. If you use the Trip Planner > Open your active trip. 

If you are not using the Trip Planner Open a Load


2. Open options by tapping on 3 dots



3. Select Expenses


4. Select the Category of your expense (Default is Fuel), type the amount, take a picture of the receipt

To generate an IFTA fuel report make sure you enter the Odometer, Gallons, and State