Abstract
Road transport is the primary source of atmospheric air pollution, thus posing a threat to human health and life. The aim of the study was to determine the impact of fuel obtained from plants on the ecological properties of a compression ignition engine. The article reports the results of investigations into a modern engine with a Common Rail system, powered by the RME (rapeseed methyl esters) biodiesel and their blends with diesel. For comparison, the engine was also fuelled with conventional diesel oil without ester addition. When powering the engine with blends and pure biodiesel, brake specific fuel consumption increased. The concentrations of nitrogen oxides and carbon dioxide in the engine exhaust gas also slightly increased. At the same time, a clear reduction in average concentrations of carbon monoxide, hydrocarbons and particulates matter was obtained.
Highlights
Transport is a large source of harmful effects on the environment
Fuel consumption increased with the increase of the rapeseed methyl esters (RME) share in the blends with DF
The highest fuel consumption was obtained for the RME
Summary
Transport is a large source of harmful effects on the environment. It has a significant impact on people’s health and lives. Transport causes the introduction of various types of chemical compounds and elements harmful to human health into the Earth’s atmosphere. Their main contributors are the exhaust gases emitted by engines used in most means of transport. According to data from the European Environment Agency, the road transport in the European Union in 2017 was responsible for emissions of: 39 % nitrogen oxides, 28 % carbon black, 19 % carbon monoxide, 11 % PM2.5 particles, 11 % PM10 particles and 8 % non-methane volatile organic compounds. The PM2.5 particles are the pollutants with the greatest impact on people’s lives
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