Theory Test Practice Ireland

Question 420 · Car theory test

In what way do motor vehicles harm the environment?

Pick an answer to test yourself.

Correct answer

By increasing carbon monoxide levels.

Official explanation

Carbon monoxide is a poisonous gas emitted by vehicle exhausts into the atmosphere. Driving economically and keeping a vehicle well-maintained can reduce the level of carbon monoxide emissions.

Topic
Vehicle maintenance
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This question also appears in the motorcycle theory test.

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