Some days ago I fueled at a CITGO station. When I came to pay, there was nobody available at the cashier. Then some woman reluctantly came and I gave her a $20 bill, but I meant to pay $6. She then began saying she could not give me back the other $14 and we had kind of an argument in there for some five minutes. I finally grabbed my money and went to fuel elsewhere. CITGO offers bad service. read full review »