During the course of our testing, the Bully Dog WatchDog proved to be alternately simple enough for a novice to use and complex enough for our car geek tastes. It'll help you boost your fuel economy within reasonable limits, but don't expect it to be an mpg magic bullet.
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We received a ton of e-mail about our "Top 5 fuel economy myths" segment and many of those messages we got from you were pointing out even MORE fuel economy myths. Here is a Top 5 that you came up with!
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