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ecossebloke: there are prescribed test procedures that the US EPA publishes for companies wishing to promote fuel-saving additives/gadgets. These tests are the "gold standard" (in the US, anyway - I realize you're not). They will even assist those companies with testing whose products appear to perform well in the "preliminary" steps.
To my knowledge, Ethos has not submitted to these rigorous tests, and instead relies on low-quality testimonials and on-road "results" of non-scientific evaluations.
In light of this, I will remain highly skeptical, and even moreso when the product's benefits are pitched by a seller.
If the product is as good as claimed, why wouldn't there be some attempt to gain the EPA "seal of approval" to market them in the US, where there would be massive demand for any product with that status?
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