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Real-world CO2 emissions of cars are 20% higher than indicated. For plug-in hybrids they are 350% higher.
(climate.ec.europa.eu)
Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.
As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades:
How much each change to the atmosphere has warmed the world:
Recommended actions to cut greenhouse gas emissions in the near future:
Anti-science, inactivism, and unsupported conspiracy theories are not ok here.
A quick google also shows that for instance the price difference between the Hyundai Ionic hybrid vs plug in was about €6000 so while thouse subsidies would come close to covering the difference you would still be paying more to then pay even more by not plugging it in.
I also really don’t think 90% of people are willing to throw that many hundreds of euros away just to avoid the few seconds it takes to plug something in.