Every year, during the melting and recycling of old car bodies, a huge amount of metal particles are released into the atmosphere. According to statistics, in developed countries, cars emit more than 31 million tons of harmful gases into the atmosphere per year. This figure is 22 million tons in the Russian Federation. In general, cars and transport and road complexes are one of the main sources of environmental pollution.
Dilovar Karshiyeva (2026) studied this question.