[C.Rickey Hirose]

Sneak Oil !

Technical Gurus, check this out. FFI international claims that emission and mpg increases with this pill or liquid !

http://www.alfafare.myffi.biz/

 

[DanMan32]

They're only claiming an average of 10% increase, so it could be legit. The question though is, do you gain anything for the cost?
If it costs 10 cents a gallon to gain 2cents/gallon, it isn't worth it.