Correct answer
Avoid keeping the engine idling unnecessarily
Avoiding unnecessary idling helps reduce fuel consumption and polluting emissions.
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Avoid keeping the engine idling unnecessarily
Rev the engine from time to time so it stays clean
Turn on more electrical systems to make use of the fuel
The real exam in English is a translation of the Spanish original; compare both here.
Show the Spanish original
Si una parada va a prolongarse innecesariamente, desde el punto de vista del consumo suele convenir:
- No mantener el motor al ralenti sin necesidad(Correct answer)
- Acelerar de vez en cuando para que el motor se limpie
- Conectar más sistemas eléctricos para aprovechar el combustible
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