Revision question · Environmental issues

What can help to maximise fuel economy?

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

Cruise control

Air suspension

Re-grooved tyres

Diff-lock

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Cruise controlThis was the right answer

Using cruise control can help save fuel. The sensitive electronics make continuous micro-adjustments that improve efficiency. It should only be used when you can see well ahead in good road conditions. Switch it off immediately if the traffic situation changes.

Reviewed reading for this question

Avoid over-revving and use cruise only in suitable conditionsReviewed guidance summary · The engine-damage and steady-speed questions require the actual operating principle, not an invented fuel-saving percentage.

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