Scania to supply 21 CNG buses for MPK Tarnow, Poland September 25, 2017 | Europe Company News Scania is the sole bidder in the tender launched by MPK Tarnów for the contract to supply 21 low-floor buses fuelled by compressed natural gas (CNG). The company has offered to supply the buses... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password