The average car purchased in 2023 emits higher levels of carbon dioxide (CO₂) than its 2013 equivalent. This is due to the large proportion of SUVs in the mix, which tend to be bigger and heavier.
Watching tiny, single people drive gigantic SUVs around everywhere whilst looking just over the top of the steering wheel is quite discomforting. And parking spots filled with vehicles that barely fit in them.
It's a safe bet that the problem is that much worse in the US. There's a giant marketing apparatus here that's dedicated to selling a self-image that includes giant trucks and SUVs.