Magnetic gas mileage extender
On a recent trip, a fellow RVer showed me a magnet that he says extends his mileage by 20%. I researched it, found many products, and many COMMERCIAL-STYLE claims, but, not convinced that it really wo...
Forum Discussion
While I cannot be certain ... It SEEMS to me that the popular opinion is... they do not work. Not a real surprise to me, and I withdraw the question.
