It has long been said that its not what you drive that determines your gas mileage, but how you drive. Stomping the gas pedal at every stop light, even in the most frugal fuel sippers, will suck up more gas than slow and even acceleration. Drivers have been applying hypermilling techniques to get the most out of their mpgs, and in an effort to promote their new Fusion Hybrid, Ford launched its mid-size family sedan on a 1,000 mile journey with just a single tank of gas.

That was on Saturday, April 25th. Yesterday, the 28th, the Fusion finally ran out of dinosaur juice after a staggering 1,445.7 miles on a single tank of gas over the course of three days. This publicity stunt not only showcased the Fusion Hybrid’s ability to get an average gas mileage of 81.5 mpg, but also raised more than $8,000 for the Juvenile Diabetes Research Foundation.

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