For anyone living in FL, LA, MA, NC, NJ, RI and SC, get $20 cash card when you sign up for Mobil Speedpass. For people in different states, you get 5 cents per gallon up to $20. Speedpass is a faster way to pay at the pump and inside the store at all Mobil/Exxon locations nationwide. Offer is good until Dec. 31st 2009.

From the website:

Offer limited to new Speedpass customers. Offer excludes Fleet Card Accounts. Both enrollment and activation must be done online at speedpass.com to qualify. Purchases in FL, LA, MA, NC, NJ, RI and SC do not qualify for the rebate. The $20 cash card offer cannot be combined with the 5c per gallon rebate offer. Maximum rebate is $20 (or $20 cash card) per new account. Allow a minimum of 90 days to receive rebate credit(s) or cash card. Rebates will be posted to the credit or check card that is linked to Speedpass. Purchases must be made with a valid Speedpass. Offer expires December 31, 2009. Can not be combined with any other offer or promotion. Terms of Use will be sent to you with your Speedpass device. Use of your Speedpass device will constitute acceptance of the Terms of Use.