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Vehicular Emissions In India

Vehicular Emissions In India:

The annual car sales in India are projected to increase from the current 3.5 million to about 10.5 million — a three times increase — by 2030, which will increase exposure to vehicular exhaust emissions.

  • India is the fifth-largest global car manufacturer with one of the highest compound annual growth rates (10%) of vehicle registration as of 2019.
  • Vehicular emission is a major cause of air pollution in urban areas.
  • Typically, vehicular emission contributes 20-30% of Particulate Matter (PM) 2.5 at the breathing level of air quality.
    PM2.5 refers to particles that have a diameter less than 2.5 micrometres (more than 100 times thinner than a human hair) and remain suspended for longer.
  • According to studies, vehicles annually contribute about 290 gigagrams (Gg) of PM2.5.
  • At the same time, around 8% of total Greenhouse Gas (GHG) Emissions in India are from the transport sector, and in Delhi, it exceeds 30%.

Vehicular Emissions (World):

  • The transport sector accounts for a quarter of total emissions, out of which road transport accounts for three-quarters of transport emissions (and 15% of total global CO2 emissions).
  • Passenger vehicles are the largest chunk of this, releasing about 45% of CO2.
  • If the conditions prevail, annual GHG emissions in 2050 will be 90% higher than those of 2020.

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