04:36 23-11-2025

Why brake-by-wire will replace hydraulic brakes in EVs

Traditional hydraulic brakes, which have barely changed in more than a century, are nearing the end of their era. According to ZF, one of the major component suppliers, the future lies with electric brake-by-wire systems. They dispense with fluid and replace the mechanical link between pedal and calipers with electronic control and an electric motor at each wheel.

This setup makes stopping more precise and faster—especially in heavy, powerful electric vehicles. Electric actuation removes delays, streamlines simultaneous maneuvers, and makes better use of regeneration. A key advantage is the near absence of maintenance: no fluid, hoses, or cylinders aging out, and residual drag largely disappears, boosting efficiency and range. For everyday driving, that blend of responsiveness and simplicity feels like the right match for modern EVs.

ZF has already developed two systems: a fully electric four-wheel layout and a hybrid option where electric brakes work at the rear while hydraulics remain up front—useful for pickups and light trucks. The electric drive can also take over parking duties, securely holding a heavy vehicle on an incline, which adds welcome practicality.

The transition will take time, but the shift is unmistakable: brake fluid is steadily giving way to electronic control, laying the groundwork for safer, smarter next-generation vehicles.