Free BP Gas Card worth $10

Get a free $10 BP Gas Card with every 5th fill up at BP. Runs through 3/1/11

There are some promo requirements on this one:

Purchase 8 gallons or more of any grade of BP fuel and
Present your receipt to the on-site cashier to get a Loyalty Card.
Scratch the card to reveal a unique code.
Enter the code on this website.
Once you have filled up* 5 times and entered 5 Loyalty Card codes,
you will be mailed your $10 BP Reward Card in approximately
4-6 weeks. It's that easy.