As gas prices rise and fall, there's one constant: however much you pay to fill your gas tank, it's taxed. Several proposals would change how.
In Illinois, gasoline is taxed twice.
"What we have in Illinois is a tax on a tax," Rep. Jack Franks (D-Marengo) says. "Which is just wrong. Because right now we get charged with the motor fuel tax. But then on top of that, they charge a sales tax."