Ensuring proper driveshaft alignment primarily benefits which aspect of the vehicle?

Ensuring proper driveshaft alignment primarily benefits transmission efficiency because an aligned driveshaft minimizes vibrations and misalignment issues that can lead to increased wear and tear on the drivetrain components. When the driveshaft is correctly positioned, it enables smoother power transfer from the transmission to the wheels. This efficiency promotes better fuel economy and overall vehicle performance, as the engine does not have to work harder to compensate for the losses that occur due to misalignment. In contrast, misalignment can lead to additional drag and energy loss, reducing the overall effectiveness of the transmission system.