Washing trains with solar energy
![The train wash in Tłuszcz, source: Koleje Mazowieckie](https://www.railtech.com/wp-content/uploads/2020/05/Koleje-Mazowieckie-train-wash-in-Tłuszcz.jpg)
As the Polish railway operators invest in the new fleet, they increasingly focus on the construction of new washing facilities. Some companies, such as Koleje Mazowieckie, implement energy-saving technologies in this area.
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