http://tonto.eia.doe.gov/dnav/pet/pet_pri_gnd_dcus_r40_w.htm
The following chart determines the percentage of the fuel surcharge:
| Padd 4 Fuel Surcharge | Start Date | Padd 2 Fuel Surcharge | Start Date |
| 9.5 % | 12/3/08 | ||
| 8.5 % | 1/7/07 | ||
| 9.0 % | 2/4/08 | ||
| 9.5 % | 3/3/08 | 9.5% | 3/3/08 |
| 10.5 % | 4/7/08 | 10.5% | 4/7/08 |
| 11.5 % | 5/5/08 | 12.0% | 5/5/08 |
| 13.5 % | 6/2/08 | 14.0% | 6/2/08 |
U.S. Energy Information Administration Cost/Gallon
| At Least | But Less Than | The surcharge will be |
| $1.29 | 0.00% | |
| $1.30 | $1.39 | 1.00% |
| $1.40 | $1.49 | 1.50% |
| $1.50 | $1.59 | 2.00% |
| $1.61 | $1.70 | 2.50% |
| $1.71 | $1.80 | 3.00% |
| $1.81 | $1.90 | 3.50% |
| $1.91 | $2.00 | 4.00% |
| $2.01 | $2.10 | 4.50% |
| $2.11 | $2.20 | 4.00% |
| $2.21 | $2.30 | 5.50% |
| $2.31 | $2.40 | 6.00% |
| $2.41 | $2.50 | 6.50% |
| $2.51 | $2.60 | 7.00% |
| $2.61 | $2.70 | 7.50% |
| $2.71 | $2.80 | 8.00% |
| $2.81 | $2.90 | 8.50% |
| $2.91 | $3.00 | 9.00% |
| $3.01 | $3.10 | 9.50% |
| $3.11 | $3.20 | 10.00% |
| $3.21 | $3.30 | 10.50% |
| $3.31 | $3.40 | 11.00% |
| $3.41 | $3.50 | 11.50% |
| $3.51 | $3.60 | 12.00% |
| $3.61 | $3.70 | 12.50% |
| $3.71 | $3.80 | 13.00% |
| $3.81 | $3.90 | 13.50% |
| $3.91 | $4.00 | 14.00% |