INCREASING THE ECOLOGICAL LEVEL OF PUBLIC TRANSPORT IN THE CITY OF SOFIA
Keywords:urban transport, environmental friendliness, rolling stock, quality of transport service
The paper explores some of the major factors affecting the environmental friendliness of urban bus transport, with a focus of the modernization of rolling stock and alternative sources of fuel. The surveys are based on an 11-year period, from 2008 to 2019, for which an analysis was made of how much emission reductions in buses with a higher Euro standard are being followed, as in the case of Sofia Motor Transport EAD in Sofia, Bulgaria. As a result, we conclude that transport research and innovation are crucial to ensuring fast, safe and clean transport for citizens and businesses in big cities. The transport sector is more than ever in need of innovative solutions, as the cost of transporting passengers will increase in value and time. This is especially urgent for Bulgaria as the available rolling stock is outdated and in need of renovation.
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