[ehnto]

I am unsure sorry, electric motors do still have efficiency curves so that could be it. But I think a retrofit to an existing driveline makes more sense.

Food for thought though, trucks are much much heavier loaded than cars. 100-150+ tonne vs like 1.5-4 tonnes for a car. Cars are trivial by comparison.

Perhaps the motor they have available doesn't have enough torque for it without gearing down.

[swiftcoder]

> Perhaps the motor they have available doesn't have enough torque for it without gearing down.

This is true of cars too - the single-speed transmission in a Tesla is a 9:1 reduction gear, for example.