Hydrogen in railways

ByStefan Karg 14.02.202225.08.2025

Sustainable solutions like this will be necessary especially for countries with a currently high amount of fossil energy sources. Good to see this development into the right direction!

PKP Power Engineering issues tender for hydrogen-based energy storage components – International Railway Journal

Rail technology

Series: How does a train brake?
ByStefan Karg 20.03.202425.08.2025

Part 1: Understanding the role of friction In the world of trains, speed is often the star of the show. The rush of the landscape whizzing by is the sensation that captures our imagination. Yet, as any experienced engineer will tell you, the real hero of the railway isn’t the power to go, but the…

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Rail technology

Train travel challenges through Europe
ByStefan Karg 10.05.202225.08.2025

How complicated can it be to book a train journey through Europe? The following clip of the German political satire magazin “Extra 3” perfectly shows the reality with booking international railway tickets involving multiple train operators. My question here is: If we want to motivate people to choose the train over the plane, why is…

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Rail technology

DB Cargo is using HVO
ByStefan Karg 13.07.202325.08.2025

The German freight trains of DB Cargo are running nearly climate-neutral now even if powered by a diesel locomotive. They are fueled by HVO generated from waste material instead of fossil diesel.

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Rail technology

Opening of new high-speed line
ByStefan Karg 05.12.202225.08.2025

With this year’s timetable change, the first part of the new railway line between Ulm and Stuttgart is finally going to be in operation – thus, reducing the journey between both cities from 1h to only 45 min. More changes in the German railway timetable for 2023 are presented in this video:

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Rail technology

Day of rail
ByStefan Karg 16.09.202225.08.2025

Today and tomorrow is the “day of rail” in Germany – a perfect opportunity for me to say “Thank you!” to all the many people involved in keeping the wheels of our trains turning and to improve the system “railway” everyday a little bit. This is a very valuable contribution to the mobility in our…

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Rail technology

Effects of high temperature on railway tracks
ByStefan Karg 05.07.202225.08.2025

I’m sharing this post due to the high temperatures we’re facing these days in Germany. The impressive footage shows the effects of heat to rails and what this means for operation. Railway operators are already experimenting with painting rails with white color to reduce the heat impact. I think this issue gets more and more…

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