Arguably top-of-the-line features of an electrical vehicle (EV) is one-pedal driving during which the automobile slows down without the necessity to physically apply pressure to the brake pedal. This is feasible due to the regenerative braking system in EVs, which uses the electrical motor as a generator and converts kinetic energy from the vehicle’s forward motion into electricity.
While this provides a greater driving experience for a lot of, it is just not essentially the most efficient option to decelerate an EV, based on Porsche engineers. As an alternative the German automaker decided to go along with a driving feature from internal combustion engine (ICE) cars, coasting, which it says is “more natural.”
In response to Martin Reichenecker, Senior Manager Chassis Testing at Porsche Engineering, coasting can be more efficient and the recuperation of energy only happens when the brake pedal is used.
In a recent article within the Porsche Engineering Magazine Reichenecker explained, “it is a more efficient way of driving, since it keeps the kinetic energy within the vehicle.” This compares to one-pedal driving which recuperates first, and only then converts the recovered energy back into propulsion, leading to “twice the losses.” (via GreenCarReports)