"Hydrogen is the fuel of the future," says Kazimierz Karolczak, chairman of the board of directors of the Upper Silesian and Zagłębie Metropolis, which signed the contract for hydrogen buses.


"We are working on hydrogen generation and storage technologies, as well as hydrogen fuel cells. Hydrogen is the technological future of Poland", believes Dr Piotr Dardziński, President of the Łukasiewicz Research Network.