If
this controller turns an alternator into a motor with REGEN;
then
you could easily turn your cars alternator into a motor/alternator!?
Here's the video with the alternator being fitted to a quad bike that looks to have quite a bit of oomph!
The shown setup is easy via a wireless or wired app.
Here's the MAXKGO MINIV6.8 60V 100A controller and software:
https://maxkgo.com/products/maxkgo-m...ized-heat-sink