https://www.epa.gov/greenvehicles/what-if-more-people-bought...
https://www.bloomberg.com/news/articles/2020-10-05/americans...
I'm sure you can find a thousand articles/discussions online about the math behind how driving cars to stores is significantly more polluting than "salesman problem"ing a single delivery truck.
Bonus: it's far easier to electrify or improve 1 delivery truck than it is the 100 cars it's displacing.
We used to go a few cities over for some thing, whole foods for example not in our city so we'd go over to it to grab some stuff, then to target for a few things etc etc. All that driving has evaporated - we are cooking at home more too.
"i'm pretty sure you know it."
Please cite something rather than ascribing a (false) view to someone else. I don't know your "fact" because it seems like you are lying based on my direct experience.