Abstract
This article deals with the ecological impacts of chemical substances that are found in the structure of Diesel engine exhaust gases and provides an overview of legislation that limits their maximum allowable emissions. Special consideration is given to the previously mostly neglected negative impact of particulate matter compared to the impact of carbon dioxide. Negative impact of particulates is especially noted as direct negative impact on human health whereby the expenses associated with medical treatment exceed the financial savings resulting from the usage of Diesel powered vehicles. Therefore, the paper presents the knowledge acquired through previous scientific research in the economically most developed countries, as well as the tendencies for the reduction of negative impacts of Diesel exhaust gases.
Highlights
Technological development compared to other types of vehicle engines during the mentioned period
This article deals with the ecological impacts of chemical substances that are found in the structure of Diesel engine exhaust gases and provides an overview of legislation that limits their maximum allowable emissions
Studies carried out in the economically most developed European countries (Switzerland, Germany, Austria, France) whose population is the most exposed to negative impacts of Diesel exhaust gases clearly shows that there is direct connection between certain types of malignant diseases and a level of pollution by Diesel exhaust gases, in urban areas
Summary
Technological development compared to other types of vehicle engines during the mentioned period. Considering the described situation, i.e. relative lack of flexibility in the change of the Diesel engines market share, it should be emphasised that apart from their higher economic efficiency, Diesel engines can have an extremely negative impact on the environment, as well as on the health of population In developed countries, such as Switzerland, Germany, Austria, France, etc. This problem has been considered with increasing attention, so its serious research started already in the late 1970s The results of these researches have proven that Diesel engine exhaust gases can have negative impacts and cause very high subsequent costs (for example medical treatment of people suffering from lung diseases) and in this way seriously challenge its usability and profitability. Every world-known on-road vehicle manufacturer produces vehicles equipped with such exhaust gas purifying systems
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