Swiss train company Stadler Rail has just set another Guinness World Record with its hydrogen-fueled train, the Flirt H2, New Atlas reports. On March 20, the Flirt H2 began its record-breaking journey. The train is designed to travel for 286 miles per tank of hydrogen at a top speed of 79 miles per hour. But at the ENSCO test circuit in Pueblo, Colorado, this train surpassed all expectations by continuing to run for 46 hours straight, with engineers working in shifts to keep it in operation. At the end of the run, the Flirt H2 had racked up 1,741.7 miles — over six times the distance it was rated for, New Atlas reveals.

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