OXFORD — The Buckfield duo Eepybird has released a new video demonstrating a vehicle powered by Mentos and Diet Coke.

The video, which came out on Youtube on Wednesday, shows the pair powering a vehicle on the Oxford Plains Speedway race track by using a piston mechanism. According to the description on their video:

“The Coke Zero & Mentos Rocket Car uses a piston mechanism: a six-foot long rod sits inside a six-foot long tube attached to each bottle of Coke Zero. When the Mentos drop into the soda, the pressure tries to push the rod out of the tube. With 54 rods all pushing at once, that gives us a lot of power.

“All that power is pushing against a solid wall that’s attached to a sheet of plywood that runs under the rocket car itself — so the wall won’t move, the rocket car will. We get one big push for six feet, and then it’s all coasting from there.

The pair launched to fame in 2006 with a video of the Diet Coke and Mentos-generated geysers that quickly went viral on YouTube.