Scania Euro 4 European Union countries is valid in accordance with the norms presented EGR system tools on the market. Euro 4 emission standards, resulting from the exhaust of harmful gases and particles, as a gradual reduction program contains. EGR system (Exhaust Gas Conversion) of the exhaust gas is re-transformation and enables business to be. Scania is produced by the vehicles equipped with Euro 4 EGR system 'with respect to the nature of environment-friendly vehicles "is considered.
