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It is not long now until January 2019. That date will mark the introduction of the Stage V emission standard for non-road mobile machinery in the EU. The most important change compared to the existing Stage IV regulation relates to the particle number (PN) emission limits for diesel engines. Whereas it was previously possible to comply with the emission limits without a particulate filter, many experts believe that the use of a diesel particulate filter will become absolutely essential from 2019 onwards. What is good for people’s health presents a difficult challenge for the developers of powertrains, as they need to integrate an additional component into the already limited space in the engine compartment — not to mention an increase in the price of the machinery, which they will have to justify to the buyers.
Sooner or later, there will also be a legal limit for the CO2 emissions of mobile machinery. The industry has long since recognised its responsibility in this respect and is carrying out research into finding solutions, or is even already producing hybrid powertrains which also contribute to improvements in fuel consumption and CO2 emissions.