PHEVs fail again: they emit six times more CO₂ than in the approved figure

Plug-in hybrids registered in 2024 emitted an average of 145 grams of CO₂ per kilometre in real-world conditions, compared to the officially declared 24 grams, according to a T&E analysis based on data from the European Environment Agency.
The controversy surrounding plug-in hybrids is still raging, but now it is no longer limited to some owners barely plugging the car into a power outlet. The latest European data shows a much deeper gap between what these vehicles promise in homologation and what they end up consuming when on the road. A PHEV registered in 2024 emitted, on average, 145 grams of CO₂ per kilometer in real conditions, compared to 24 grams in its homologation. The difference is now close to six times the official value and has increased compared to 2023, when real emissions were 138 g/km compared to 28 g/km homologated.

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