Exxon has a deal on gas that can help you save in a round-about way.
Purchase $100 in gift cards and register the gift cards online at www.exxonmobilegiftcard.com/holiday by Jan. 15 and get a $10 ExxonMobile gift card by mail.
You must purchase the gift cards by Dec. 31.
Limit 2 $10 cards per household. Allow 4 to 6 weeks for delivery.