11% of 0 is 0. This simply solidifies the idea that GM is led by out of touch legacy management. "We were supposed to check they only rolled the truck down a hill?"
Say what you will about Musk and Tesla (I know, I know), but their Class 8 Semi did a nationwide tour (under its own power) to potential customers [1] and also occasionally pitches in to perform vehicle deliveries [2], no downhill coasting required.
[1] https://electrek.co/2018/08/25/tesla-semi-drove-across-count...
[2] https://electrek.co/2020/06/26/tesla-semi-spotted-used-deliv...