On September 2nd, 2019, the national average for one gallon of diesel fuel was announced by the D.O.E at $2.976. The fuel surcharge corresponding to that price varies by tariff as follows:
| Tariff |
09/15/2019-10/14/2019 |
| NVL100 |
7% |
| GSA-01 |
Formula Based |
| D19/400NG |
4% |