There are more tools for your car than the ones in the garage.
We live in the Information Age after all, where pretty much anything you could possibly want to know is only an Internet connection away. It is perhaps the most versatile tool ever.
You probably already use the Web as a tool for managing your bank accounts or making changes to your fantasy football team's roster, so why not use it to find the cheapest gas?
There are a number of companies with the foresight to establish websites whose sole purpose is to help you find the lowest prices on fuel in your area. Most of these companies use spotters to provide up-to-the minute prices. Some even have the capability to track specified stations near your location.