| | Retail Gasoline Prices by Grade by Formulation |
| | . |
| | Houston, Regular |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 06/29/09 | $2.430 | $2.430 |
| | 06/22/09 | $2.482 | $2.482 |
| | 06/15/09 | $2.470 | $2.470 |
| | 06/08/09 | $2.402 | $2.402 |
| | 06/01/09 | $2.319 | $2.319 |
| | 05/25/09 | $2.272 | $2.272 |
| | 05/18/09 | $2.181 | $2.181 |
| | 05/11/09 | $2.112 | $2.112 |
| |
| | Houston, Midgrade |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 06/29/09 | $2.577 | $2.577 |
| | 06/22/09 | $2.640 | $2.640 |
| | 06/15/09 | $2.615 | $2.615 |
| | 06/08/09 | $2.567 | $2.567 |
| | 06/01/09 | $2.459 | $2.459 |
| | 05/25/09 | $2.400 | $2.400 |
| | 05/18/09 | $2.331 | $2.331 |
| | 05/11/09 | $2.251 | $2.251 |
| |
| | Houston, Premium |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 06/29/09 | $2.688 | $2.688 |
| | 06/22/09 | $2.760 | $2.760 |
| | 06/15/09 | $2.730 | $2.730 |
| | 06/08/09 | $2.688 | $2.688 |
| | 06/01/09 | $2.570 | $2.570 |
| | 05/25/09 | $2.513 | $2.513 |
| | 05/18/09 | $2.444 | $2.444 |
| | 05/11/09 | $2.379 | $2.379 |
| |
| | Last Updated 6/29/2009 |