Emission Norms are standards set by governments or international bodies to control the amount of pollutants that vehicles or industries can release into the environment.
They are important because they help reduce air pollution, protect public health, and fight climate change.
These norms set limits on how much of certain harmful gases or particles can be emitted by:
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Cars, trucks, and other vehicles
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Factories and power plants
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Other machines like generators, etc.
The major pollutants that emission norms aim to control include:
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Carbon Monoxide (CO) — a poisonous gas that can cause health problems.
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Nitrogen Oxides (NOₓ) — contribute to smog and acid rain; harmful to lungs.
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Particulate Matter (PM) — tiny particles that can penetrate deep into the lungs.
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Hydrocarbons (HC) — can lead to the formation of ground-level ozone (smog).
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Sulphur Dioxide (SO₂) — causes acid rain and respiratory issues.
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Carbon Dioxide (CO₂) — a major greenhouse gas contributing to global warming.
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