Some eletric cars and motorcycles have gears.
So I guess it does help some. For instance the Porche Taycan has 2 gears, one for fast acceleration and one for cruising at higher speed, with the latter being better for the battery.
[https://newsroom.porsche.com/en/products/taycan/powertrain-18555.html](https://newsroom.porsche.com/en/products/taycan/powertrain-18555.html)
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