If the tenders are successful, 75 new CNG-powered local models will be put into service in communities on the outskirts of the capital and 10 in Szeged, and 40 suburban models in Szolnok and 39 in Zalaegerszeg from spring 2022, Volánbusz said.

The company currently operates 61 gas-powered buses in Zalaegerszeg, Nyíregyháza, and Szeged.

Bids are to be submitted by September 10.

As part of its vehicle fleet upgrade program launched in 2018, Volánbusz will put 1,401 new and used buses into services by the end of August. It will purchase 1,665 buses in 2021, which will be put into service this year and in 2022. By the end of next year, 40% of the total fleet will be upgraded.