| | Retail Gasoline Prices by Grade by Formulation |
| | . |
| | Denver, Regular |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 07/21/08 | $3.998 | $3.998 |
| | 07/14/08 | $4.013 | $4.013 |
| | 07/07/08 | $3.974 | $3.974 |
| | 06/30/08 | $3.937 | $3.937 |
| | 06/23/08 | $3.935 | $3.935 |
| | 06/16/08 | $3.946 | $3.946 |
| | 06/09/08 | $3.909 | $3.909 |
| | 06/02/08 | $3.885 | $3.885 |
| |
| | Denver, Midgrade |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 07/21/08 | $4.123 | $4.123 |
| | 07/14/08 | $4.137 | $4.137 |
| | 07/07/08 | $4.093 | $4.093 |
| | 06/30/08 | $4.057 | $4.057 |
| | 06/23/08 | $4.058 | $4.058 |
| | 06/16/08 | $4.069 | $4.069 |
| | 06/09/08 | $4.033 | $4.033 |
| | 06/02/08 | $4.010 | $4.010 |
| |
| | Denver, Premium |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 07/21/08 | $4.234 | $4.234 |
| | 07/14/08 | $4.249 | $4.249 |
| | 07/07/08 | $4.200 | $4.200 |
| | 06/30/08 | $4.165 | $4.165 |
| | 06/23/08 | $4.168 | $4.168 |
| | 06/16/08 | $4.177 | $4.177 |
| | 06/09/08 | $4.144 | $4.144 |
| | 06/02/08 | $4.120 | $4.120 |
| |
| | Last Updated 7/21/2008 |