Take This Quiz To Find Out If You’re A Car Engine Expert!
What happens when the amount of air in the engine increases?

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The nitrogen oxides that are produced from the exhaust harm the environment and produce ozone. These hazardous air pollutants contain sulfur and other impurities in the exhaust that are harmful to people and animals.
Education Images/UIG via Getty Images
Education Images/UIG via Getty Images
What happens when the amount of air in the engine increases?
- Promotions reaction between oxygen and nitrogen
- All of these
- Produces Nitrogen oxides
- It reduces emissions of incomplete combustion products
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