A Yahoo Article On Gas Saving Tips exposed some myths on saving gas. Most additives that promise gas savings really don't do much good and aren't worth the price. Apparently Consumer Reports, the EPA, and even car companies test many of the new products and haven't been excited about any of them.
A website called Gasbuddy.com allos you to enter your zip code and find the lowest area gas prices. Other real tips include proper tire inflation, driving the speed limit, and not letting your car idle needlessly.