Environmental rating of vehicles with different fuels and drive trains: a univocal and applicable methodology

Jean-Marc Timmermans, Julien Matheys, Joeri Van Mierlo, Philippe Lataire, B. Van Wee (Editor)

Research output: Contribution to journalArticlepeer-review


A new and applicable environmental rating tool for use as a policy tool, called EcoScore,
was developed and allows evaluating the environmental impact of road vehicles with
different drive trains or using different fuels. A single environmental indicator integrates
different aspects of the environmental impact of the vehicles such as global warming, air
quality depletion and noise pollution. To integrate these different aspects, the Ecoscore
methodology includes different damage categories like: global warming, human health
impairing effects and harmful effects on ecosystems. The contribution of the different
normalised damages to the single value, called Ecoscore, is based upon a weighting system.
The methodology can also be used for the ranking of heavy duty vehicles and two-wheelers.
However, in this paper, the methodology will be explained using passenger vehicles and
light-duty vehicles as an illustration. The methodology will be implemented by the Flemish
government as a policy tool for the promotion of cleaner vehicles. An extensive database
including vehicle records and their related emission data was used to develop, to validate
and to analyse the environmental rating system. A sensitivity analysis was carried out which
allowed the evaluation of the robustness of the methodology.
Original languageEnglish
Pages (from-to)313-334
Number of pages22
JournalEuropean Journal of Transport and Infrastructure Research
Publication statusPublished - 22 Nov 2006

Bibliographical note

Prof. Dr. B. van Wee


  • environmental assessment
  • well-to-wheel
  • atmospheric pollution
  • Ecoscore


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