<h3>When gasoline gets hot, it expands. But U.S. fuel pumps don't account for the bigger volume, and it's costing American consumers about $2.3 billion a year.</h3><p class="source">The Kansas City Star</p>
<p>"This is the greatest rip-off in history," says Jamie Court, president of the Foundation for Taxpayer and Consumer Rights in Santa Monica, Calif. In car-crazed California, the state that consumes the most gasoline, the cost to consumers for not adjusting gasoline volumes for temperature is more than $500 million per year. In the three largest gas-consuming states -- California, Texas and Florida -- the total is more than $1.2 billion. "The path to billions is pennies per gallon," Court says.</p>