1. gas price in the new picture must be higher than the one in the previous one.
2. You do not need to locate the previous picture to post the next.
3. the boundary of the game is the state of MN
4. only the price of regular unleaded gasoline counts
5. one person cannot post consecutive pictures
6. multiple pictures of the same gas station are allowed as long as the gas price is higher each time, but they are discouraged
7. Your bike must appear in the picture
8. Please host your photo permanently
9. gas station owners are not allowed to play