Explanation: Compressed Natural Gas (CNG) is a cleaner alternative to traditional diesel and petrol fuels, primarily due to its lower emissions of harmful pollutants. In the context of Delhi, the use of CNG in transport vehicles is a significant environmental initiative aimed at reducing air pollution.
Delhi, being one of the most polluted cities in the world, has faced severe air quality issues due to a combination of factors, including vehicular emissions. In response to this, the city government implemented a policy in the early 2000s to convert public transport vehicles, such as buses and auto-rickshaws, to run on CNG. This decision was part of a broader strategy to improve air quality and reduce the health impacts of pollution on the city's residents.
The use of CNG in Delhi's transport sector has several advantages:
1. **Environmental Benefits**: CNG produces fewer pollutants compared to diesel and petrol, leading to a reduction in particulate matter, nitrogen oxides, and carbon monoxide emissions.
2. **Health Benefits**: By reducing air pollution, the use of CNG helps in lowering the incidence of respiratory and cardiovascular diseases among the population.
3. **Economic Benefits**: Although the initial conversion costs can be high, the long-term savings on fuel and maintenance costs can be significant.
While other cities in India, such as Mumbai, Kolkata, and Chennai, have also introduced CNG vehicles, the scale and impact of the initiative in Delhi are unparalleled. Delhi's commitment to CNG has set a precedent for other cities to follow, although the extent of adoption varies.
In conclusion, the use of CNG in transport vehicles is a critical component of Delhi's efforts to combat air pollution. This initiative has not only improved air quality but also served as a model for other urban areas facing similar environmental challenges.