How does a customer know if he is getting the correct volume of gasoline from the pump.

The Illinois Department of Agriculture inspect pumps annually. The cost of the test is $16.00 per hose or $576.00 for us...another hidden tax. A sticker is applied to the pump indicating compliance. Gas gauges in vehicles are poor references. Often fuel tanks hold more or less than what the car manufacturer says. We seldom hear a customer comment. Volume complaints can be directed to the 800 number on the sticker. The state will ask for pump number, product, etc. If there is a problem they will shut the pump down. Octane testing is not a normal procedure for the annual test. This requires lab testing of a sample.