Surely you're hip to the Diet Coke and Mentos phenomenon of a few years ago. When an enterprising duo realized that the hard-coated candies interacted with the soda in an explosive way, an internet meme was instantly born. Over the last couple of years, though, interest in the parlor trick seemed to wane. Until now.

Fritz Grobe and Stephen Voltz, the two men who helped kick off the fun in the first place, are back, claiming a new record for the longest distance traveled in a car powered by Diet Coke and Mentos: 239 feet.

No, that doesn't seem very far to us, either, though Mark II of their machine is a marked improvement over Mark I. The Mark II vehicle is more aerodynamic and seems to have less mass than its predecessor, which positioned the rider way out in front over a bicycle-like contraption. That said, we think Grobe and Voltz do even better... especially since they used just half the fuel this time 'round.

After dissecting the video, we believe there's a lot more power in the Diet Coke and Mentos recipe to be had, and there must be a better way to stop so much of the fuel from leaking out instead of providing forward thrust. Duct tape, perhaps?

Until they try again with Mark III, feel free to check out the latest Diet Coke and Mentos-powered car in the video after the break.

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