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dragontamer

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Tesla lowers Model Y, S, and X range estimations following exaggeration complaints (www.theverge.com)

submitted 11 months ago by dragontamer to c/realtesla

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Not the Cybertruck story, but perhaps more important.

The Justice Department has been probing Tesla for their exaggerated range claims, and suddenly Tesla has decided to reduce their estimates on these already-released cars.

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[–] [email protected] 4 points 11 months ago* (last edited 11 months ago) (1 children)

"Neutral" on an EV doesn't mean the same thing as on a IC car. The motors are still physically connected to the wheel, so turning the wheels will create an electric current.

That current will flow into the batteries from the "wrong end". Normally, charge controllers and battery management systems will ensure every cell of battery gets a balanced charge, but those systems don't work when you tow or push an EV. You can end up ruining the battery. Another issue is that power and friction cause heat, and when the car isn't running, that might cause overheating.

Now, the good news is that you're very unlikely to push an electric car fast enough or far enough for either of those to become a real issue. Electric cars are still big and heavy.

[–] dlpkl 2 points 11 months ago

Yeah that's what I thought. So not only are you fighting the usual weight and friction, but also resistance from the motors.