Fuel’s Gold: Too good to be true?
The key to any hustle is a believable story. It’s no different with fuel-saving flimflams, which often claim to exploit some small, overlooked factor that automakers or oil companies don’t want you to know about. Normally, we wouldn’t give a second thought to fuel-economy hucksterism, but our dedication to journalistic inquiry—and our desire to save you a few bucks in these times of rising gas prices—found us ordering five items that promise to stretch your petro-dollar. Four of the five devices showed up, and we tested each in a Mazda 3 and a Jeep Grand Cherokee at steady speeds—35 and 70 mph—on the oval test track at Chrysler’s Chelsea proving ground. A ScanGauge II tool (www.scangauge.com), which plugs into a vehicle’s OBD II port, provided accurate average-fuel-economy measurements. The results? Well, we hope they don’t surprise you.
Keep Reading: Fuel-Saving Devices Debunked: Dynamic Ionizer, Fuel Doctor FD-47, and Three More Tested – Gearbox
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