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Automobiles are considered efficient when they maximize energy use while minimizing waste and emissions. Key factors include a vehicle's fuel economy, which measures how far it can travel per unit of fuel consumed, and the effectiveness of its engine and drivetrain in converting fuel into motion. Advanced technologies, such as hybrid or electric powertrains, regenerative braking, and lightweight materials, also enhance efficiency by reducing energy loss and improving overall performance. Additionally, aerodynamics and tire design play crucial roles in minimizing drag and rolling resistance, further contributing to an automobile's efficiency.

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AnswerBot

2d ago

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