Assessment of On-Board and Laboratory Gas Measurement Systems for Future Heavy-Duty Emissions Regulations

Barouch Giechaskiel, Tobias Jakobsson, Hua Lu Karlsson, M. Yusuf Khan, Linus Kronlund, Yoshinori Otsuki, Jürgen Bredenbeck and Stefan Handler-Matejka
Additional contact information
Barouch Giechaskiel: European Commission, Joint Research Centre (JRC), 21027 Ispra, Italy
Tobias Jakobsson: Scania, CV AB, 15187 Södertälje, Sweden
Hua Lu Karlsson: Scania, CV AB, 15187 Södertälje, Sweden
M. Yusuf Khan: Cummins Inc., Columbus, IN 47201, USA
Linus Kronlund: Volvo GTT, SE-405 08 Göteborg, Sweden
Yoshinori Otsuki: Horiba Europe GmbH, 61440 Oberursel, Germany
Jürgen Bredenbeck: A&D Europe GmbH, 64295 Darmstadt, Germany
Stefan Handler-Matejka: IAG Prüfstandstechnik GmbH, A-2722 Weikersdorf, Austria

IJERPH, 2022, vol. 19, issue 10, 1-16

Abstract: Road transport contributes significantly to air pollution in cities. Regulations across the globe continuously reduce the limits that vehicles need to respect during their lifetimes. Furthermore, more pollutants are being subject to control with new regulations and, most important, testing tends to be done under real-world conditions on the road. In this study, various portable systems were compared with laboratory-grade equipment with a wide range of emissions, focusing on the lower end, where the measurement uncertainty of the instruments is crucial for the determination of emission limits. The engines were diesel- and compressed natural gas (CNG)-fueled. The results were promising, with relatively small differences between portable emissions measurement systems (PEMSs), portable Fourier transform infrared (FTIR) and quantum cascade laser infrared (QCL-IR) spectrometers, and the respective laboratory-grade analyzers based on chemiluminescence detection (CLD), non-dispersive infrared (NDIR), and FTIR principles. The results also highlighted the need for strict technical regulations regarding accuracy and drift for low emission limits in future.

Keywords: air pollution; engine emissions; NH 3; N 2 O; PEMS; portable FTIR; QCL; uncertainty (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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