A real existing Edison truck, a serial hybrid you can actually fix yourself, quickly and cheaply:
https://www.edisonmotors.ca/
https://www.youtube.com/@EdisonMotors
Which is what I thought this post was about!
These guys opened a crowd funding campaign for 1.5 million USD:
3 hours later they were done!
https://www.youtube.com/shorts/wctly84K9SM
That means that a lot of people like the serial hybrid concept, which means; happily, there are more bright people than I thought!