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 EURO VI standards | FPT Industrial
Due to the opposite reaction to combustion temperature, the reduction of either of the combustion products (NOX or PM) necessarily implies the increase of the other one. In order to further reduce NOX, as required by Euro VI, it is necessary to work on different combustion management and exhaust gas treatment system.
 
This means that Euro VI emission limits can be reached only through the use of SCR (Selective Catalytic Reduction), either with or without EGR. The use of an EGR system reduces the NOX emissions in the combustion chamber, through exhaust gas recirculation with a consequential increase in the production of particulate matter (PM) and a reduction in combustion efficiency. Furthermore, with high engine-out particulate emissions, a forced regeneration of the DPF is required.
 
FPT Industrial has chosen instead to increase the engine combustion efficiency to reduce the PM without using re-circulated exhaust gasses. While the remaining PM is reduced in the passive DPF, the NOX is reduced in the SCR system, while improving fuel consumption, HI-eSCR system performance and reliability. FPT Industrial’s HI-eSCR is able to reduce the NOX levels more than 95%.
 
The “SCR Only” technology sees the introduction of a new integrated approach that is the result of extensive research by FPT Industrial, research that has led to the creation of numerous significant patents.

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