HowStuffWorks "Why Fuel Additives Won't Improve Performance and Gas Mileage"

Page

Why Fuel Additives Won't Improve

Gas Additives Are Just Not Necessary

Using Octane Boost Instead of Premium Fuel

A Few Worthy Gas Additives

Tim Boyle/Getty Images

DCL

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.

Page

Why Fuel Additives Won't Improve

Gas Additives Are Just Not Necessary

Using Octane Boost Instead of Premium Fuel

A Few Worthy Gas Additives

More Great Links

Top 10 Green Driving Tips

5 Scariest Stunt Car Feats

The Ultimate CarStuff Fan Quiz

5 Warning Signs You Need New Tires

10 Most Expensive Classic Cars

Watch American Chopper videos >>

Can biofuel do that?

For the most part, anything that fossil fuel can do, biofuel can do, too. But because biofuels are relatively scarce, some applications are more reasonable than others. See if you know what biofuel is capable of!

Quiz: Fuel Saving Without Gimmicks

With gas prices going up, it seems that everyone has advice on how to save at the pump. Whether we're talking gadgets and gizmos or fuel-saving driving techniques, there are as many myths out there as there is sound advice on saving on gas. Think you're a pro when it comes to fuel savings? Find out with our quiz!