What is the gasoline tax per gallon in Illinois?

As of my last update, the gasoline tax in Illinois is approximately 38 cents per gallon, which includes both the state tax and local taxes. Additionally, there is a 1 cent per gallon pre-existing tax, and a 6.25% sales tax is applied to gasoline purchases. These rates can be subject to change, so it's advisable to check for the most current information.