| | Retail Gasoline Prices by Grade by Formulation |
| | . |
| | Boston, Regular |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 02/09/09 | $1.850 | $1.850 |
| | 02/02/09 | $1.821 | $1.821 |
| | 01/26/09 | $1.763 | $1.763 |
| | 01/19/09 | $1.743 | $1.743 |
| | 01/12/09 | $1.688 | $1.688 |
| | 01/05/09 | $1.622 | $1.622 |
| | 12/29/08 | $1.601 | $1.601 |
| | 12/22/08 | $1.632 | $1.632 |
| |
| | Boston, Midgrade |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 02/09/09 | $1.982 | $1.982 |
| | 02/02/09 | $1.944 | $1.944 |
| | 01/26/09 | $1.889 | $1.889 |
| | 01/19/09 | $1.872 | $1.872 |
| | 01/12/09 | $1.821 | $1.821 |
| | 01/05/09 | $1.753 | $1.753 |
| | 12/29/08 | $1.743 | $1.743 |
| | 12/22/08 | $1.771 | $1.771 |
| |
| | Boston, Premium |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 02/09/09 | $2.086 | $2.086 |
| | 02/02/09 | $2.040 | $2.040 |
| | 01/26/09 | $1.989 | $1.989 |
| | 01/19/09 | $1.977 | $1.977 |
| | 01/12/09 | $1.929 | $1.929 |
| | 01/05/09 | $1.855 | $1.855 |
| | 12/29/08 | $1.839 | $1.839 |
| | 12/22/08 | $1.871 | $1.871 |
| |
| | Last Updated 2/9/2009 |