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In recent months, as we hear about how well electromobility is evolving and how effectively it is spreading, there have been a number of reports questioning its reducing effect of greenhouse gases (GHGs), particularly CO2. In our article, we present the calculations behind these often contradictory news stories and the trains of thought from which conclusions are drawn. It should be noted that in the article we do not intend to take a position on either side, but we consider it important that certain concepts are clarified and that important details of electromobility CO2 emissions are presented. Within this framework, we present the current state of technology, focusing only on the main segments of manufacturing, energy production and storage, by presenting Life-Cycle Assessment (LCA). Using diverse literature data, we show seven different scenarios to illustrate the contradictory assessment of the environmental impacts of BEVs.

magyar tudomány

Az akkumulátoros elektromos személygépjárművek környezeti hatásainak értékelése a teljes életciklus figyelembevételével – hol az igazság? • Environmental Impact Evaluation of Battery Electric Passenger Vehicles Considering the Whole Life-cycle – Where Is the Truth?