Prepaid Gas Cards

Do you every drive down the road looking for a gas stations with gas $.05 cheaper than the next station. Well how would you like to save $.08 more per gallon. If you buy 30 gallons of gas you save $2.40 on the tank full. All you need to do to get this discount is purchase prepaid gas cards. I use Speedway and BP prepaid gas cards and I receive a 4% discount on every gallow of gas purchased.