I bought $10.00 and charged it to my credit card. They have charged my card $126.00. When I called the store the manager told us that is how Chevron does it !! I told her I would let everyone I knew know that "is how Chevron does it". She gave me an 800 number to call but of course no one answers - it is just an automated response which is useless to a customer - it is meant only for their dealers. BEWARE if you are using credit cards at Chevron !! read full review »