Influence of transport on the ecology of big megapolis

In this paper we consider the causes of environmental problems of large cities, the impact of transport and technological activities on air pollution. The comparative dynamics of changes in the number of cars in Russia and other countries. The approximate component composition of exhaust gases for carburetor and diesel engines and the conditions of formation of the most toxic substances are analyzed. The reasons of the greatest pollution of the atmosphere by activity of transport and technological infrastructure in the Russian Federation in comparison with the Western countries are revealed. The structure of the automobile fleet of the Russian Federation on norms of toxicity. The ways of minimizing the impact of vehicles on the ecology of megacities by improving the quality of fuel and abandoning the no-alternative monopoly on diesel fuel are proposed. The necessity of modern technologies of oil and gas processing, expansion of opportunities of the fuel market of the country, improvement of its quality and environmental friendliness is revealed. Prospects of use of gas motor fuel are defined.