Saving fuel or gas by MPG-CAPS…is it really worth it?

Those are frequent question that people asked since the gas price soaring! Fuel price dramatically increase over the last 6 months due to crude oil increase from steady $70 / barrel to currently $140?

Is there anything we can do to save our money on gas?
A lot of product offered and test or experiment how to save our fuel cost is available, which one is right for you?…you may check the following link just …

http://www.theautochannel.com/news/2006/06/14/011213.html
http://www.chiefengineer.org/content/content_display.cfm/seqnumber_content/2517.htm

Check also which one EPA certified (comply with EPA regulation)…please go to the EPA official site…..

http://www.epa.gov/otaq/additive.htm

Are they really save us on our money?