| | Retail Gasoline Prices by Grade by Formulation |
| | . |
| | California, Regular |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 05/12/08 | $3.919 | $3.919 |
| | 05/05/08 | $3.903 | $3.903 |
| | 04/28/08 | $3.892 | $3.892 |
| | 04/21/08 | $3.846 | $3.846 |
| | 04/14/08 | $3.774 | $3.774 |
| | 04/07/08 | $3.685 | $3.685 |
| | 03/31/08 | $3.608 | $3.608 |
| | 03/24/08 | $3.602 | $3.602 |
| |
| | California, Midgrade |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 05/12/08 | $4.026 | $4.026 |
| | 05/05/08 | $4.007 | $4.007 |
| | 04/28/08 | $3.997 | $3.997 |
| | 04/21/08 | $3.949 | $3.949 |
| | 04/14/08 | $3.884 | $3.884 |
| | 04/07/08 | $3.793 | $3.793 |
| | 03/31/08 | $3.719 | $3.719 |
| | 03/24/08 | $3.710 | $3.710 |
| |
| | California, Premium |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 05/12/08 | $4.130 | $4.130 |
| | 05/05/08 | $4.111 | $4.111 |
| | 04/28/08 | $4.098 | $4.098 |
| | 04/21/08 | $4.053 | $4.053 |
| | 04/14/08 | $3.984 | $3.984 |
| | 04/07/08 | $3.890 | $3.890 |
| | 03/31/08 | $3.818 | $3.818 |
| | 03/24/08 | $3.811 | $3.811 |
| |
| | Last Updated 5/12/2008 |