Question 8180
To save fuel, how should the vehicle be ventilated?
- By opening all the windows.
- By using the air vents on the dashboard.
- By opening only the rear windows.
Show answer and explanation
Correct answer: By using the air vents on the dashboard.
Ventilate the car through the dashboard air vents. Opening the windows, whether all of them or just the rear ones, lets air in, which holds the car back and makes the engine use more fuel to maintain speed.