We have tested three: Fuel Genie, Platinum Gas Saver, and Tornado. Our advice: Don't waste your money. They don't work. This isn't news. We've tested such devices over the years and have repeated ...

These products are called Fuel saver chips, and they usually come in the form of a plastic device that plugs into the On-Board Diagnostics (OBD) port under your dashboard or in your engine ...

A popular Midwest grocery store chain, Hy-Vee gives fuel saver rewards when you buy select items and offers at your local store. Just provide your fuel saver number at the checkout and you can use ...