I was at a conference yesterday:
GCVI Summit 2020 - Event Summary | Online Registration by Cvent
$3-4k per ticket. All auto manufacturers and many suppliers from all levels had folks there.
While there, one of the guys I was with let me know about this:
https://www.autoblog.com/2020/01/29/bosch-profit-world-car-production/
"Ten workers are needed to make a diesel injection system, three for a gasoline system, and one to produce an electric motor, he said."