The per diem deduction lets owner-operator truck drivers deduct a standard daily rate for meals while away from home for work, without needing to track and save every individual food receipt from the road. Rather than adding up actual meal costs, the IRS allows truckers to use a flat per diem rate for each full day (and a partial rate for partial days) spent away from their tax home for work. This is one of the most valuable deductions for long-haul drivers simply because of