One card does it all. Purchase fuel, snacks, car washes and so much more at over 1,500 participating Petro-Canada™ retail locations! Petro-Canada eGift Cards cannot be used to purchase prepaid cards, gift cards, or car wash card products. This eGift Card can be used in conjunction with any other form of payment accepted at Petro-Canada including cash, credit or debit cards, so you enjoy the full value of the card.