Revision question · Environmental issues

What effect will continuous use of the air-conditioning system have on fuel consumption?

Revision material from the imported DVSA bank includes source-checked Lanekind learning corrections. These corrections are not newly issued official examination questions, and practice does not reproduce a live test paper.

Answer options

It can increase consumption; the amount varies

It always reduces consumption by 15%

It eliminates fuel used by the engine

It has no energy demand

Show the answer

It can increase consumption; the amount variesThis was the right answer

Engine-driven air conditioning adds load and can increase fuel use. The amount varies with the vehicle, weather and settings. Avoid waste without compromising visibility or passenger wellbeing; no fixed percentage applies to every journey.

Reviewed reading for this question

Cooling uses energy, but comfort and visibility remain essentialReviewed guidance summary · The supported answer is an increase in consumption; the explanation’s fixed numerical claim is separately removed.

Loading the questions