Report: Plug-in Hybrids Emit 5x More CO2 Than Lab Tests Show

Report: Plug-in Hybrids Emit 5x More CO2 Than Lab Tests Show
Above: Electric car charging. Image copyright: Unsplash

The Spin

Techno-optimist narrative

Plug-in hybrids still deliver meaningful environmental benefits by electrifying thousands of kilometers annually and reducing tailpipe emissions by 15-55% compared to conventional cars. PHEVs with longer electric ranges achieve 12,000-20,000 kilometers of annual electric driving, matching typical car usage patterns. Real-world performance varies significantly by market, with some regions achieving over 50% electric driving.

Techno-skeptic narrative

Plug-in hybrids are a costly environmental scam that emit nearly five times more CO2 than official tests claim while delivering only 19% emissions reduction over regular cars. These vehicles burn fuel even in electric mode and cost drivers an extra $500 annually in hidden fuel consumption. At an average price of $55,700, PHEVs cost $15,200 more than cleaner battery-electric alternatives.

Metaculus Prediction


The Controversies



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© 2025 Improve the News Foundation. All rights reserved.Version 6.17.0

© 2025 Improve the News Foundation.

All rights reserved.

Version 6.17.0