| | Retail Gasoline Prices by Grade by Formulation |
| | . |
| | Texas, Regular |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 09/15/08 | $3.717 | $3.687 | $3.705 |
| | 09/08/08 | $3.573 | $3.434 | $3.519 |
| | 09/01/08 | $3.607 | $3.455 | $3.547 |
| | 08/25/08 | $3.534 | $3.432 | $3.494 |
| | 08/18/08 | $3.620 | $3.535 | $3.587 |
| | 08/11/08 | $3.694 | $3.650 | $3.677 |
| | 08/04/08 | $3.776 | $3.736 | $3.760 |
| | 07/28/08 | $3.849 | $3.846 | $3.848 |
| |
| | Texas, Midgrade |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 09/15/08 | $3.835 | $3.823 | $3.830 |
| | 09/08/08 | $3.685 | $3.582 | $3.643 |
| | 09/01/08 | $3.713 | $3.610 | $3.671 |
| | 08/25/08 | $3.647 | $3.598 | $3.627 |
| | 08/18/08 | $3.725 | $3.686 | $3.709 |
| | 08/11/08 | $3.796 | $3.790 | $3.793 |
| | 08/04/08 | $3.892 | $3.873 | $3.884 |
| | 07/28/08 | $3.963 | $3.982 | $3.970 |
| |
| | Texas, Premium |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 09/15/08 | $3.943 | $3.959 | $3.949 |
| | 09/08/08 | $3.796 | $3.714 | $3.762 |
| | 09/01/08 | $3.825 | $3.723 | $3.782 |
| | 08/25/08 | $3.761 | $3.718 | $3.743 |
| | 08/18/08 | $3.839 | $3.817 | $3.830 |
| | 08/11/08 | $3.914 | $3.917 | $3.915 |
| | 08/04/08 | $4.005 | $4.002 | $4.004 |
| | 07/28/08 | $4.078 | $4.110 | $4.091 |
| |
| | Last Updated 9/15/2008 |