The simple truth is that fuel additives won't do much, if anything, to improve your vehicle's performance and gas mileage, but there's more to the story, so I want to give you the real scoop behind fuel additives.
Why do the EPA fuel economy numbers almost always seem to be off base? It has a lot to do with the way the EPA evaluates new cars and trucks for their energy consumption.
I've heard that it's possible to build a car engine to run off of ethanol, a byproduct of corn. How much corn would I need to grow in order to produce enough ethanol fuel to drive my car across the country?