Solaris to supply 40 CNG buses in Ostrava, Czech Republic February 1, 2018 | Europe Company News Poland-based Solaris has secured a CZK279-million contract from Dopravní Podnik Ostrava a.s. (DPO) to supply 40 Urbino-12 city buses fuelled by compressed natural gas (CNG). The first 24 buses ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password