Question

vehicles are responsible for air pollution . elucidate .​

Answer 1

Answer:

the hydrogen gas released by the vehicle is harmful to the environment

Explanation:

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Answer 2

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Motor vehicles are usually shown to be responsible for high proportion of the total NOx, HC, CO, and PM pollution. Within the motor vehicle category, NOx is usually equally divided between SI and diesel engines, HC and CO are produced primarily by the SI engines, while most of the PM emission is attributed to diesels.