I’ve heard that fact, and I know ICE cars have a torque curve but I don’t understand why it is that an electric motor produces torque instantly.
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The magnetic field in an electric motor works even when the motor isn’t turning. You apply the current, and the torque is produced. From stopped to full speed, you are free to choose how much current to feed in and thus how much mechanical energy to produce.
ICEs don’t work that way. Torque isn’t a continuous product of physics, it’s the result of a mechanical machine trapping a chemical explosion. That machine produces torque in only one of its 4 strokes, which we compensate for with multiple pistons and balancing weights. That mechanical motion is also essential to draw in air and chemicals and continue the process. Because of this, when the ICE is turning more RPMs, it can consume more fuel and produce more energy.
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