Where this number comes from

Fuel cost ratio (fuel spend ÷ revenue)

fuel_cost_ratio_pct

Observed

Observed value

18000

Sources

American Transportation Research Institute — An Analysis Of The Operational Costs Of Trucking (2024 · Average Marginal Cost ~$2.26/mile, Fuel ~$0.48/mile → Fuel ~21% Of The Per Mile Cost Base) (https //truckingresearch.org/about Atri/atri Research/operational Costs Of Trucking/) · published benchmark / reasoned-estimate citation

Assumed inputs — reasoned defaults

Fuel cost ratio (fuel spend ÷ revenue): American Transportation Research Institute — An Analysis of the Operational Costs of Trucking (2024: average marginal cost ~$2.26/mile, fuel ~$0.48/mile → fuel ~21% of the per-mile cost base) (https://truckingresearch.org/about-atri/atri-research/operational-costs-of-trucking/)

Confirm these in your contract/books to upgrade the evidence level.

Evidence level

value cited to a source-confirmed fact (gl:tx_2026_04_fuel) — anchored to a ledger / model-run transaction

Observed Explained Inferred Hypothesis