Donut Lab and the electric motors everyone has been talking about
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Not in an ICE vehicle, but I may be under the false impression that some EVs use gear reduction after the motors, similar to how portal axles are set up. If that's not the case, then you're right it would just be the CV axles that are removed which don't weigh quite as much.
It's more of a power unit thingy, for at least Teslas and Mercs. The motor(s) and gearing are in one big box that sits on the subframe(?)
Here's an article with a photo. Tesla having such a large cult following, means it's slightly easier to find than other brands' EVs' drivetrains, but I'm sure they've mostly figured out the same solution.
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