New Lexus NX 300h Gets A Grip With E-Four All-Wheel Drive
The new Lexus NX 300h isn’t simply a crossover with SUV looks, it will now come equipped with an intelligent electric all-wheel drive system that provides extra grip just when the driver needs it. Light and compact, the clever technology also avoids the weight, packaging, emissions and fuel consumption penalties associated with larger, mechanical AWD systems. Called E-Four, the system uses an additional electric motor to drive the rear axle, providing more grip and better vehicle control on slippery surfaces. The front axle is propelled by power from the hybrid petrol engine or electric motor, or both in combination.
E-Four works intelligently, varying the amount of drive torque to the rear wheels in line with driving dynamics and road conditions, to secure just the right level of stability when pulling away or accelerating in low-grip conditions. As operation is automatic, the driver doesn’t have to think about engaging AWD.
It saves energy and fuel, too, as all-wheel drive is only engaged when it is needed. When the system detects a loss of traction to the front wheels, it reduces the electricity supply to the traction motor in the transaxle and increases the supply to the rear axle motor. The rear motor also acts as a generator for the NX 300h’s regenerative braking system, increasing the amount of kinetic energy that can be harvested and stored as electric power.
Credits: Oneshift News Team
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