Through 9/30/11, participating Walmart Gas Stations (or Murphy USA locations) are offering $0.10 off per gallon of gas!
Go here for a complete list of participating Walmart and Murphy USA locations.
The discount applies to gas purchases made when using a reloadable Walmart gift card, reloadable Walmart MoneyCard® or Walmart credit card. You can purchase your card online or in-store.
(thanks SD & Katrina for leaving the comment on my facebook page!)