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Impact of Shortening Real Driving Emission (RDE) Test Trips on CO, NO X , and PN 10 Emissions from Different Vehicles

Author

Listed:
  • Haiguang Zhao

    (State Environmental Protection Key Laboratory of Vehicle Emission Control and Simulation, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
    Vehicle Emission Control Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China)

  • Laihua Shi

    (China Merchants Testing Vehicle Technology Research Institute Co., Ltd., Chongqing 401329, China)

  • Xiaoliu Xu

    (China Merchants Testing Vehicle Technology Research Institute Co., Ltd., Chongqing 401329, China)

  • Jinshan Qiu

    (China Merchants Testing Vehicle Technology Research Institute Co., Ltd., Chongqing 401329, China)

  • Lan Li

    (China Merchants Testing Vehicle Technology Research Institute Co., Ltd., Chongqing 401329, China)

  • Junfang Wang

    (State Environmental Protection Key Laboratory of Vehicle Emission Control and Simulation, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
    Vehicle Emission Control Center, Chinese Research Academy of Environmental Sciences, Beijing 100012, China)

  • Wenhan Yu

    (National Laboratory of Auto Performance and Emission Test, Beijing Institute of Technology, Beijing 100081, China)

  • Yunshan Ge

    (National Laboratory of Auto Performance and Emission Test, Beijing Institute of Technology, Beijing 100081, China)

Abstract

The real driving emission (RDE) test is the test for vehicle type approval in the China VI emission standard and is one of the most important indicators for assessing the environmental performance of vehicles. To investigate the feasibility of shortening the RDE test trip, we measured emissions of CO, NO X , and PN 10 (i.e., the number of particles above 10 nm in diameter) from gasoline, diesel, and hybrid electric vehicles based on portable emission measurement systems (PEMSs) and analyzed the influence of shortening test trips on pollutant emissions. The results indicated that the CO and PN 10 emission factors of the gasoline vehicle increased by about two times during short trips compared with standard trips, while the NO X emission factor changed insignificantly. The diesel vehicle showed a two-fold increase in NO X and PN 10 emission factors during short trips compared with standard trips, with CO emissions remaining largely unchanged. The short trips of the hybrid electric vehicle doubled CO and PN 10 emission factors and slightly increased NO X emission factors compared with standard trips. The study can aid in improving RDE test efficiency, reducing RDE test cost, and controlling pollutant emissions from newly produced and in-use vehicles, which is crucial for air pollution management and sustainable development.

Suggested Citation

  • Haiguang Zhao & Laihua Shi & Xiaoliu Xu & Jinshan Qiu & Lan Li & Junfang Wang & Wenhan Yu & Yunshan Ge, 2024. "Impact of Shortening Real Driving Emission (RDE) Test Trips on CO, NO X , and PN 10 Emissions from Different Vehicles," Sustainability, MDPI, vol. 16(21), pages 1-15, October.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:21:p:9453-:d:1510659
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    1. Hao Yu & Yan Su & Lei Cao & Bo Shen & Yulin Zhang & Benyou Wang, 2025. "Experimental Study on the Effect of Environmental Factors on the Real Driving Emission (RDE) Test," Energies, MDPI, vol. 18(9), pages 1-10, April.

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