| | Retail Gasoline Prices by Grade by Formulation |
| | . |
| | Houston, Regular |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 03/09/09 | $1.752 | $1.752 |
| | 03/02/09 | $1.760 | $1.760 |
| | 02/23/09 | $1.731 | $1.731 |
| | 02/16/09 | $1.772 | $1.772 |
| | 02/09/09 | $1.775 | $1.775 |
| | 02/02/09 | $1.749 | $1.749 |
| | 01/26/09 | $1.682 | $1.682 |
| | 01/19/09 | $1.671 | $1.671 |
| |
| | Houston, Midgrade |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 03/09/09 | $1.891 | $1.891 |
| | 03/02/09 | $1.898 | $1.898 |
| | 02/23/09 | $1.876 | $1.876 |
| | 02/16/09 | $1.907 | $1.907 |
| | 02/09/09 | $1.925 | $1.925 |
| | 02/02/09 | $1.878 | $1.878 |
| | 01/26/09 | $1.805 | $1.805 |
| | 01/19/09 | $1.815 | $1.815 |
| |
| | Houston, Premium |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 03/09/09 | $2.007 | $2.007 |
| | 03/02/09 | $2.019 | $2.019 |
| | 02/23/09 | $2.000 | $2.000 |
| | 02/16/09 | $2.030 | $2.030 |
| | 02/09/09 | $2.039 | $2.039 |
| | 02/02/09 | $1.995 | $1.995 |
| | 01/26/09 | $1.945 | $1.945 |
| | 01/19/09 | $1.927 | $1.927 |
| |
| | Last Updated 3/9/2009 |