Consumer vehicles are the single biggest use, though, and transportation in general is 62% by your first link.

The biggest non-consumer transportation usage is trucks, and I expect them to electrify relatively quickly. Trucking is a low margin business and fuel is their biggest expense.

> there aren't really any feasible alternatives here

It's not feasible yet, but I really hope that carbon sequestration comes into play here. Plastic lasts a really long time, so turning CO2 into plastic is one way to go carbon negative.