Instant Gas Discounts

Spin the wheel with Shell and instantly get discounts on gas, win a free fillup or win free gas for a year! Gas prices are ridiculously high, so why not take advantage of a discount? Head on over to the Shell Spin to Save game and spin that wheel!
After you play, pass your custom URL around to your friends! Anytime a friend plays the game, you’ll get an additional $0.05 OFF per gallon! There’s no limit! Remember everyone wins and the rewards get better and better!
To check your rewards, you can log in to Fuel Rewards, using the info you provided when signing up for the game.

UPDATE : I emailed Shell because there's no gas stations located around here, Michigan or Ohio that participate. They said they will be rolling out nationwide by the end of summer so your rewards won't expire until December 31, 2012! So don't worry if there's nothing available in your area right yet. They'll have everyone set up by the end of summer and you can score some really cheap or even free gas!

Good luck!
What did you win?
I got 20 cents off!