How can ADAS systems contribute to fuel efficiency?

En español: ¿Cómo pueden contribuir los sistemas ADAS a la eficiencia en el consumo de combustible?

A By increasing engine power
B By promoting smoother driving with fewer harsh braking events Correct answer
C By removing the need to refuel
D By reducing the vehicle's weight

Why this is the correct answer

Smoother driving, supported by adaptive systems such as adaptive cruise control, reduces harsh acceleration and braking and, with it, fuel consumption.

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