Urban transport system is crucial for economic and social development of our society as it meets challenging mobility requirements of urban agglomerations. The requirements are challenging because road transport, which is the most problematic transport mode, is dominating the urban transport activities. The main problems with the road transport are that the infrastructure is not generally suffi cient for whole traffi c conditions and the vehicles are powered by internal combustion engines that require fossil fuels to burn and emit pollutant emissions during their normal operations