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BDifficulty 2/5

In a combustion-engine vehicle, keeping the engine idling unnecessarily...

Correct answer

Increases fuel use and emissions

Uses fuel and produces emissions without moving the vehicle. Avoid unnecessary idling, following manufacturer instructions and applicable rules; switching the engine off must remain compatible with safety and the vehicle’s actual needs.

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  • Has no effect

  • Always reduces vehicle wear

  • Increases fuel use and emissions

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