https://electrek.co/2023/11/27/carbon-emissions-could-have-dropped-by-30/
A lot of people still want big & powerful vehicles. Of course more hybrid versions could be a nice compromise.
Big vehicles can certainly bc more efficient.
https://www.ecowatch.com/suvs-climate-impact-iea.html
Unfortunately, if the world is eventually forced into a carbon credit score system, one might have to ask for permission to go anywhere or do anything. Especially if it's all run by AI.