Hydrogen Trains: Can They Replace Diesel on Rail?

Hydrogen trains were meant to make rail travel eco-friendly without the overhead wires of electrified railways but in Germany things haven’t gone according to plan and regions have turned to battery-operated trains.
What Went Wrong?
According to the state of Lower Saxony, battery trains fare better in operating costs. In Hesse, however, almost all of the 27 hydrogen-powered trains were grounded by parts shortages and fuel cell failure.
Are There Any Positive Aspects to Hydrogen Trains?
The iLints can run more than 1,000 km on one tank of hydrogen and release only water vapor, making them suitable for non-electrified lines. However, in the region of Rhine-Main the authorities are opting to take 18 hydrogen trains out of service in light of fuel cell failures. Alstom is developing a new generation of fuel cells.
What Is the Conclusion?
Though hydrogen may be good for the environment, it is only the case when it is produced using clean energy. Many train operators now think it is better to use electrified railroads combined with battery technology.
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