At Credit-Land.com you can apply for a gas rewards credit cards, but they are not station-branded credit cards. With the credit cards offered on that page you can earn rewards at any gas station, including at Shell stations. This will incredibly increase your rewards. You can compare Shell card with other gas credit cards and see how significantly rewards differ. If you want a Shell branded credit card, visit their official web site.
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All rates and fees, and other terms and conditions of the products mentioned in this article/post are actual as of the last update date but are subject to change. See the current products' Terms & Conditions on the issuing banks' websites.