Safe and Economical Driving
Driving at speed on an interurban road with the windows down:
Reviewed on 29 Jul 2026
- A Reduces fuel consumption
- B Has no effect on consumption
- ✓ Increases air resistance and consumption
- D Improves the vehicle's aerodynamics
Why this is the correct answer
Driving with the windows down increases air resistance and therefore fuel consumption. It is better to keep them closed.
More questions on Safe and Economical Driving
- Regarding tyres, what directly affects fuel consumption?
- Regular vehicle servicing (filters, spark plugs, tyre pressure):
- Why does a vehicle consume more fuel driving in the city than on the open road, despite going slower?
- Why is going downhill in neutral NOT a safe fuel-saving measure?
- Using a fuel other than the one recommended by the manufacturer to save money:
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