"Pre-purchase your fuel online from MyGallons to lock-in the current price. When prices rise, cash-in your pre-purchased gas to save money. When you cash-in your pre-purchased gallons you choose how to receive the money: 1. Have the proceeds electronically deposited into your checking account. OR 2. Have the money loaded onto the MyGallons Fuel Savings Debit Card for use at the station. For example, if you buy fuel at $2.00 per gallon, and wait until the prices go up to $3.00 per gallon, you would save $1.00 per gallon."
http://www.mygallons.com/

Anyone think this is a good idea considering how gas prices are already shooting up?