I worked at a gas station 3 years out of high school, and, well, you honestly have no idea what you are putting in your car even if you get it from the pump.
the fuel goes from and to so many pipes, trucks, tanks, and hoses before I gets to your car, there really is way to garantee any kind of quality.
We had to check the level of fuel in our tanks every night.
That involved sliding a large cover out of the way and dropping a 30' stick into the tank. Think we were wearing clean suits?
