http://alternativefuelstips.com
These fuel saving devices fall into specific categories. With the hundreds of devices on the market, they are all variations on a theme. Additives are the most popular. There are hundreds of different additives made by many different companies. These work with varying degrees of effectiveness. The most common are the fuel system cleaner types. These products claim to clean the fuel system and help keep fuel injectors operating at peak performance. It's a good idea, and some do work, but most are of questionable effectiveness at best.
http://alternativefuelstips.com