They emit up to five times more CO2: study reveals that plug-in hybrid cars are more polluting than expectedPhoto by Leo Sacchi on Pexels
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They emit up to five times more CO2: study reveals that plug-in hybrid cars are more polluting than expected

CNN Portugal4 September 2026 at 06:09

A study conducted by the ICCT (International Council on Clean Transportation) revealed that plug-in hybrid cars emit up to five times more CO2 than initially predicted by manufacturers and official calculations.

According to the investigation, these vehicles are charged less frequently than expected and are also driven in electric mode with less regularity than initial calculations indicated.

This discovery raises questions about the real environmental effectiveness of plug-in hybrids, which are frequently promoted as a more sustainable alternative to traditional combustion vehicles.

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