Orbis is making a kit to convert any regular car into a hybrid all-wheel drive with 100HP gain, better braking and improved fuel economy.
Here's the engineering:
www.autoevolution.com
orbisdriven.com
Theoretically, you could buy a used shell with no engine, transmission or even axles, put 4 of these on and make an EV.
Here's the engineering:

Orbis Ring Drive – How to Turn a FWD Honda Civic Type R into an AWD Car
About four months ago, a video surfaced showing a 2017 Honda Civic Type R wearing a pair of weird-looking rear-wheels testing on a road somewhere. It was the first time we heard of Orbis, a Mill Valley, California-based company hell-bent on reinventing the wheel. The car wheel, that is.

Home | Orbis® Making Mobility Green
The ORBIS Ring-Drive system has an in-wheel motor electric drivetrain that has no un-sprung weight penalty, making an AWD hybrid system possible.

Theoretically, you could buy a used shell with no engine, transmission or even axles, put 4 of these on and make an EV.
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