In issue 1/2021, the German special interest magazine "PowerWorld" publishes a full-page article on p. 21 under the division "Thermal Drive Technology" with the headline "Rail milling train has exhaust and noise-free balance".
The article features the equipment of the new rail milling train of the Austrian company "Linsinger Maschinenbau Gesellschaft mbH" with the fuel cell technology of Proton Motor. Have a look here: