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Erschienen in:
2022 | OriginalPaper | Buchkapitel
EU 7: A First Assessment
verfasst von : Stefan Bareiss, Michael Krüger, Andreas Kufferath, Dirk Naber, Herbert Schumacher, Marcel Wüst
Erschienen in: 22. Internationales Stuttgarter Symposium
Verlag: Springer Fachmedien Wiesbaden
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Abstract
The next European emission regulation, EU 7/VII for Light- and Heavy-Duty Vehicles is under discussion since end of 2018. First proposals were published in the first half of 2021.
Within the scope of the EU 7 regulation emission limits of the on-road emissions are to be further reduced and additional components are to be regulated, nitrous oxide, methane, ammonia, and formaldehyde for instance. By the end of 2021 an official draft regulation is expected to be published by the European commission.
Despite the transition in automobile powertrains, diesel will remain important in the powertrain mix as highly efficient powertrain with a high milage range, especially for heavy duty and light commercial vehicles.
Powertrain Solutions as business unit of the Robert Bosch GmbH has been conducting comprehensive studies for diesel and gasoline powertrains by means of demonstrator projects for many years. Technical requirements are derived from these and customers receive the best possible support in complying with future emission limits.
In this paper a first assessment of the EU 7 proposal for the diesel PC segment is presented. Furthermore, the assessment is extended to the light commercial vehicles through a hardware-in-the-loop approach.
The focus is on nitrogen oxide emissions, which have been the primary focus over the past few years and on emission components that are new in the upcoming EU 7 regulation, such as nitrous oxide.
At the time when this report was written, the EU Commission had not yet published its official EU 7 draft. For this reason, this assessment is based on the proposals of the CLOVE consortium, the scientific advisory group of the EU Commission, that were published in April 2021.