In this research the efforts of Rail Cargo Hungaria Zrt. were studied on the reduction of main environmentally harmful factors induced by the company. The objective was to determine the key environmental indicators. The fields of examination were the greenhouse gas (GHG) emission, the use of energy, the noise level, the production of different type of wastes. Based on the results, it can be said that RCH is committed to environmental protection and has an energy conscious management.