Assessment of air quality after the implementation of compressed natural gas (CNG) as fuel in public transport in Delhi, India.

@article{Ravindra2006AssessmentOA,
  title={Assessment of air quality after the implementation of compressed natural gas (CNG) as fuel in public transport in Delhi, India.},
  author={K Pratibha Ravindra and Eric Wauters and Sushil K Tyagi and Suman Mor and Ren{\'e} van Grieken},
  journal={Environmental monitoring and assessment},
  year={2006},
  volume={115 1-3},
  pages={405-17}
}
Public transport in Delhi was amended by the Supreme Court of India to use Compressed Natural Gas (CNG) instead of diesel or petrol. After the implementation of CNG since April 2001, Delhi has the highest fraction of CNG-run public vehicles in the world and most of them were introduced within 20 months. In the present study, the concentrations of various criteria air pollutants (SPM, PM(10), CO, SO(2) and NO(x)) and organic pollutants such as benzene, toluene, xylene (BTX) and polycyclic… CONTINUE READING