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How do retarders in Highway Masters’ new fleet enhance the vehicles’ fuel efficiency?

Vehicle safety features (LGV CPC)
Saved Questions | Completed Questions Incomplete Questions
Give one answer
By cooling the engine
By increasing engine braking and making combustion more efficient
By increasing the engine's power
By reducing the vehicle's weight
← Why is it crucial for Highway Masters' drivers to detect air leaks during routine checks of their advanced large goods vehicles? How do the braking systems of FleetPro's large goods vehicles fundamentally differ from those in lighter vehicles like cars? →

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