NEW FEATURE! On the Pro version, you now have the ability to see an itemized list of expenses per truck on the Unit Operating Income report.
Click on the Unit Operating Income report, choose the date range and trucks, then click Generate. From there, at the top, you will see a button that says "Detailed View". This will list all of the expenses and show the totals per category per truck. (see picture below). To get back to the original report, click "basic view".