Trucks and buses for continuous, smooth braking (which would require stepping on the pedal for an extended amount of time, but this is discouraged because brake

Trucks and buses for continuous, smooth braking (which would require stepping on the pedal for an extended amount of time, but this is discouraged because brake pads wear out and/or lose grip when engaged for too long) use a mechanical or electric assisting device that has the same name: https://en.wikipedia.org/wiki/Eddy_current_brake https://en.wikipedia.org/wiki/Eddy_current_brake