| | Retail Gasoline Prices by Grade by Formulation |
| | . |
| | Midwest, Regular |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 03/09/09 | $1.908 | $1.982 | $1.918 |
| | 03/02/09 | $1.880 | $1.930 | $1.887 |
| | 02/23/09 | $1.802 | $1.846 | $1.808 |
| | 02/16/09 | $1.898 | $1.956 | $1.906 |
| | 02/09/09 | $1.862 | $1.884 | $1.864 |
| | 02/02/09 | $1.863 | $1.914 | $1.870 |
| | 01/26/09 | $1.812 | $1.873 | $1.820 |
| | 01/19/09 | $1.866 | $1.927 | $1.874 |
| |
| | Midwest, Midgrade |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 03/09/09 | $1.982 | $2.092 | $1.997 |
| | 03/02/09 | $1.951 | $2.044 | $1.963 |
| | 02/23/09 | $1.877 | $1.966 | $1.889 |
| | 02/16/09 | $1.970 | $2.074 | $1.984 |
| | 02/09/09 | $1.933 | $1.999 | $1.942 |
| | 02/02/09 | $1.938 | $2.027 | $1.950 |
| | 01/26/09 | $1.882 | $1.991 | $1.897 |
| | 01/19/09 | $1.937 | $2.055 | $1.953 |
| |
| | Midwest, Premium |
| | . |
| | Conventional |
| | Date | | Areas | | RFG Areas | | Average |
| | 03/09/09 | $2.116 | $2.200 | $2.127 |
| | 03/02/09 | $2.087 | $2.150 | $2.096 |
| | 02/23/09 | $2.013 | $2.068 | $2.020 |
| | 02/16/09 | $2.097 | $2.175 | $2.108 |
| | 02/09/09 | $2.058 | $2.101 | $2.064 |
| | 02/02/09 | $2.066 | $2.131 | $2.075 |
| | 01/26/09 | $2.014 | $2.093 | $2.025 |
| | 01/19/09 | $2.071 | $2.154 | $2.082 |
| |
| | Last Updated 3/9/2009 |