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Real Driving Emissions in Extended Driving Conditions

Author

Listed:
  • Danilo Engelmann

    (AFHB, University of Applied Sciences TI, 2500 Biel-Bienne, Switzerland)

  • Yan Zimmerli

    (AFHB, University of Applied Sciences TI, 2500 Biel-Bienne, Switzerland)

  • Jan Czerwinski

    (CJ Consulting, 2562 Port, Switzerland)

  • Peter Bonsack

    (Federal Office for the Environment (FOEN), Air Pollution Control and Chemicals Division, 3003 Bern, Switzerland)

Abstract

The real driving emission (RDE) testing for certification of vehicles is performed in conditions that are well defined in legislation. For emissions inventories and for research, the influences of some extended driving conditions on emissions are an interesting issue. In the present work, some examples of RDE results from two common passenger cars with gasoline and diesel propulsion are given. The varying driving conditions were “winter/summer”, “mild/aggressive”, and “higher altitude/slop”. The driving conditions: “winter”, “aggressive”, and “higher slope/altitude” generally require more energy, cause higher fuel consumption, and therefore, higher CO 2 -emissions. The condition of “winter driving”, especially in the urban type of operation, may cause some longer phases with not enough warmed-up exhaust aftertreatment and consequently some increased gaseous emissions. The DPF eliminates the nanoparticles (PN) independently on the driving conditions. Nevertheless, the DPF regeneration has an influence on the CO 2 -normality of the trip. The CO 2 -normality primary tolerance range can also be exceeded with aggressive driving. The elaborated results confirm the usefulness of the existing legal limits for the driving conditions of RDE homologation tests.

Suggested Citation

  • Danilo Engelmann & Yan Zimmerli & Jan Czerwinski & Peter Bonsack, 2021. "Real Driving Emissions in Extended Driving Conditions," Energies, MDPI, vol. 14(21), pages 1-19, November.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:21:p:7310-:d:671822
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    References listed on IDEAS

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    1. Barouch Giechaskiel & Roberto Gioria & Massimo Carriero & Tero Lähde & Fabrizio Forloni & Adolfo Perujo & Giorgio Martini & Luigi Maurizio Bissi & Roberto Terenghi, 2019. "Emission Factors of a Euro VI Heavy-duty Diesel Refuse Collection Vehicle," Sustainability, MDPI, vol. 11(4), pages 1-15, February.
    2. Timothy Bodisco & Ali Zare, 2019. "Practicalities and Driving Dynamics of a Real Driving Emissions (RDE) Euro 6 Regulation Homologation Test," Energies, MDPI, vol. 12(12), pages 1-19, June.
    3. Dardiotis, Christos & Martini, Giorgio & Marotta, Alessandro & Manfredi, Urbano, 2013. "Low-temperature cold-start gaseous emissions of late technology passenger cars," Applied Energy, Elsevier, vol. 111(C), pages 468-478.
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    1. Jaehwan Jang & Byungchae Min & Seongyool Ahn & Hyunjun Kim & Sangkyung Na & Jeongho Kang & Heehwan Roh & Gyungmin Choi, 2022. "Modeling Differential Pressure of Diesel Particulate Filters in Marine Engines," Energies, MDPI, vol. 15(10), pages 1-12, May.

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