Tesoro Gas: Rewards for Good Grades!‏

Details taken directly from the site:

Students aged 13 to 23 (at the time of submission) who are enrolled at a qualified academic institution.

Earn a free Tesoro reward card for getting good grades. The higher the grades, the higher the value of the reward card!
Participants must reside in Alaska, California, Hawaii, Idaho, Minnesota, Nevada, North Dakota, Oregon, South Dakota, Utah, Washington or Wyoming.
For Grade Reports issued between August 15, 2009 and June 30, 2010.
At Tesoro, our dedication to local communities includes a strong commitment to education. Gallons For Grades is our student rewards program that encourages academic excellence.
Go here for all the details and to sign up.

Thanks Good Deal Mama!