Just standard American advertizing and sales pitch....around since the good ole 50s - just peek into your old hot rod magazine ads.
I love those early fuel saving devices from the 40s and the ads...very entertaining, but not much has changed since then.
Advertizing or sales people will always tell you what you want to hear. Not to be taken literally, especially if they offer a warranty or refund policy.
Of course even the best companies sometimes have a product falling short of their standards.
If you contact them politely and with patience, you will quickly find out if it was a honest mistake that can be fixed or if it really was a scam....
