I love National and like being able to pick out my own car. The only issue I have is at Denver International Airport. The cars are usually dirty on the inside and this last time I had a new experience. I was about a mile away when I realized the gas tank was just over half full. I have never rented a car there and the tank wast filled prior. I was running late so didn't turn around but the team at the Denver Airport is very sloppy.
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