Why 'Filling-it-up' Takes More than 'Tank Capacity'

You fill up your "empty" fuel tank at the gas station and the pump charges you for more gallons than the tank's rated capacity. Are you being deliberately overcharged?

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<p><a href="http://www.physorg.com/news7468.html">Why 'Filling-it-up' Takes More than 'Tank Capacity'</a></p> <p> You fill up your "empty" fuel tank at the gas station and the pump charges you for more gallons than the tank's rated capacity. Are you being deliberately overcharged? </p>