Road vehicle emission factors development: A review

Vicente Franco, Marina Kousoulidou, Marilena Muntean, Leonidas Ntziachristos, Stefan Hausberger, Panagiota Dilara

    Research output: Contribution to journalReview Articlepeer-review

    291 Citations (Scopus)

    Abstract

    Pollutant emissions need to be accurately estimated to ensure that air quality plans are designed and implemented appropriately. Emission factors (EFs) are empirical functional relations between pollutant emissions and the activity that causes them. In this review article, the techniques used to measure road vehicle emissions are examined in relation to the development of EFs found in emission models used to produce emission inventories. The emission measurement techniques covered include those most widely used for road vehicle emissions data collection, namely chassis and engine dynamometer measurements, remote sensing, road tunnel studies and portable emission measurements systems (PEMS). The main advantages and disadvantages of each method with regards to emissions modelling are presented. A review of the ways in which EFs may be derived from test data is also performed, with a clear distinction between data obtained under controlled conditions (engine and chassis dynamometer measurements using standard driving cycles) and measurements under real-world operation.

    Original languageEnglish
    Pages (from-to)84-97
    Number of pages14
    JournalAtmospheric Environment
    Volume70
    DOIs
    Publication statusPublished - May 2013
    Publication typeA2 Review article in a scientific journal

    Keywords

    • Chassis dynamometer
    • Emission factors
    • Emission inventories
    • Emission models
    • Engine dynamometer
    • PEMS
    • Road transport

    ASJC Scopus subject areas

    • Environmental Science(all)
    • Atmospheric Science

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