The correct option is A: Using cruise control
Cruise control which is a control system that enables the person driving  a vehicle to easily control the  accelerator  which is a vehicle speed control , automatically which  in turn help in the following:
•Reduce the flow of fuel to the vehicle engine
• Reduce the  engine effort
•Save fuel
•Reduce stress when driving
•Help to maintain the vehicle speed when driving
In conclusion Using cruise control minimize engine effort and save fuel.
Learn more about cruise control here:
https://brainly.com/question/13654485
