The tardy way of converting the Delhi bus fleet to CNG without field-testing it in India has come in for sharp criticism. The Bhure Lal committee's insistence on CNG as the only fuel to be used has
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/emission-performance-cng-debatable
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/hindu-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution