Per-diem rules for over-the-road drivers
Self-employed OTR drivers can deduct the DOT-regulated per-diem amount ($80/day in CONUS as of 2025) for meals and incidental expenses on days away from their tax home. Company drivers lost the deduction under TCJA, but owner-operators still claim it.
Section 179 and equipment depreciation
Trucks, trailers, and heavy tools qualify for Section 179 expensing up to annual limits, plus bonus depreciation. Timing a purchase to match a high-income year is a meaningful lever.
Fuel, maintenance, and tolls
Owner-operators deduct actual fuel, maintenance, repairs, tires, tolls, and permits. Contrast with the standard mileage rate, which typically doesn't apply to trucks over 6,000 lbs.
Common questions
- Can I deduct meals on the road?
- Owner-operators yes, at the DOT per-diem rate (subject to the 80% deductibility for transportation workers). Company-employee drivers lost the deduction under TCJA.
- What's the IRS fuel tax credit?
- Form 4136 lets you claim a credit for off-highway fuel use and some specific exempt uses. Most OTR fuel doesn't qualify; refrigeration units and auxiliary power sometimes do.
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