Highlights Market uptake of nine car powertrain technologies explored using system dynamics. The model covers China, France, Germany, India, Japan and the United States. GHG emissions from cars simulated to increase by 13–32% between 2020 and 2030. Tailpipe GHG emissions simulated to account for 42% of total car emissions in 2030. Car manufacturing, scrappage and electricity generation GHG emissions grow rapidly.

    Abstract The role alternative car technologies may play in effectively tackling the problem of climate change is still highly uncertain. This paper aims at investigating possible impacts of car powertrain technologies on future energy demand and its corresponding greenhouse gas emissions until 2030. A system dynamics model covering nine car technologies in China, France, Germany, India, Japan and the United States was applied, with a focus on electric cars. Four main scenarios are constructed and sensitivity analysis undertaken. Greenhouse gas emissions from cars in the six countries are simulated to reach up to 2.6 gigatonnes in 2030 (a 13–32% increase between 2020 and 2030, depending on the scenario). The main conclusion from model-based policy analysis is that electric cars may have a positive contribution to emissions mitigation in the passenger road transport system. However, greenhouse gas emissions from cars arising from the combined effect of car manufacturing and scrappage and electricity generation processes are expected to grow more dramatically. As a result, actions that support both low-emission (re-)manufacturing and clean electricity generation are needed. These results complement accurate but static life cycle assessments and open the discussion for dynamic model assumptions.


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    Title :

    Powertrain technologies and their impact on greenhouse gas emissions in key car markets


    Contributors:


    Publication date :

    2019-12-22




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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