STADLER’s Flirt H2 hydrogen multiple-unit has secured a Guinness World Record for the longest distance achieved by a hydrogen fuel cell multiple-unit without refuelling.

The train completed the record-breaking journey of 2803km at the Transportation Technology Center in Pueblo, Colorado, where it had already undergone type testing.

Detailed readings before, during and after the world record attempt were kept to ensure precise and transparent evidence was provided, Stadler says. The record win comes after another Stadler train, the Flirt Akku, set a world record for the longest journey in pure battery mode on a single charge in December 2021. The BEMU covered 224km.

“By using hydrogen as a clean energy source, we are actively contributing to environmental protection and shaping the sustainable and zero-emission travel of tomorrow,” says Mr Martin Ritter, Stadler’s US CEO.

In February, Caltrans, the Transport Authority for the State of California, ordered six Flirt H2s as a follow-on from an initial four-train order placed in 2023, bringing the total order value to $US 207m. The authority has an option for a further 19 trains.

The Flirt H2 was first presented to the public at InnoTrans 2022. It was designed and built for San Bernadino County Transportation Authority (SBCTA) in the United States, which has ordered four four-car trains, with an option for 25 more.