You can only use Wal-Mart gift cards if the station is on Wal-Mart property. Murphy usa and Wal-Mart at two separate companies. And Murphy's can not reload nor do they sell Wal-Mart gift cards.
When u use a gift card u usually have to pay inside and the Store and not at the pump
You can use a Walmart gift card for gas.
Thanks! Your answer is awaiting moderation.