Does Using Cruise Control Consume More Fuel?

1 Answers
StPreston
07/30/25 1:20am
If cruise control is used on a straight highway without frequent deceleration, the vehicle's fuel injection and throttle opening are controlled by the onboard computer, making fuel injection and speed more consistent. Reducing unnecessary speed variations can help save fuel. Cruise control, also known as speed control or autonomous driving system, functions by maintaining the vehicle's speed at the driver's desired level without the need to press the accelerator pedal, allowing the car to travel at a constant speed. With this system, drivers no longer need to control the accelerator pedal during long highway drives, reducing fatigue and unnecessary speed changes, which in turn saves fuel.
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