The company ORLEN Unipetrol Doprava, from the refining and petrochemical group ORLEN Unipetrol, took over the last, the seventh Siemens Vectron MS locomotive of the 383 series in the colours of ORLEN Unipetrol in Litvínov Chempark. By taking delivery of the new locomotive, ORLEN Unipetrol has completed the planned fleet modernisation,…