Found some sketchy info on the internet (thanks for giving the name, Aquarius).
It looks like it might be a free-piston internal combustion engine directly driving a voice-coil type electric generator. Output goes to power electric motor drive for shaft power to vehicle wheels.
This is not a new idea. At least 40 years old.
Head of Business Development looks kind of cute.
They call her "Maya and Maya Knot."
“This is not a new idea. At least 40 years old”
I have a variation on my own drawing board. Normally if I’m thinking something up, it has already been done.