@Chuck - before you tear me apart, maybe check the facts. The only reason a case was brought before the FTC was because one of the major oil companies lodged a complaint. If you read the entire FTC final outcome and what has proceeded since then you would see all claims were proved by legitimate ASTM/SAE testing and all claims that were made before the FTC hearing are still being made today as there is proof of such claims. The only claim they cannot make is what percentage gas mileage increase they can provide. - it works as advertised for me. DONT USE IT IF YOU DONT WANT TO!! - The FTC suit was only in regards to zmax guaranteeing a certain % of better gas mileage which is different to every vehicle. Every claim/study or scientific proof they had used before the suit is still allowed to be stated now, and is. Maybe next time read the link you post before posting it
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