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I think the best one that I have ever seen was an infomercial for a holographic sticker that you place on your gas tank. "It uses hologram and frequency technology to align the gas atoms for a more efficient burn and thereby getting improved gas mileage." I still want to know what exactly is frequency technology and how is a Hologram going to work when you tuck it away from sources of light? I know a guy who used to fall for all of these items and actually bought the tornado among others. In some cases he actually got worse mileage. I got to see the package for the Tornado and I showed him how it was a scam. It stated that the results are guaranteed only if you follow the enclosed installation and DRIVING instructions. In the driving instructions it stated that you cannot rev your engine beyond 2K RPMs (shift before you hit 2K) never press the gas pedal more than 1/3 of maximum distance, and never let your car idle for more than 2 min among other things. I showed him how this is what is getting your gas mileage savings and not the Tornado. Making the air swirl in your intake does nothing.
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Why do they call it "Common Sense" when it is so rare?
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