An international study, testing on-road emissions of passenger cars in India, says a diesel SUV may be emitting 25 to 65 times more oxides of nitrogen (NOx) than a small petrol car.
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/india-diesel-cars-killing-air-study
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/times-india-new-delhi
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/cars
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicle-technology
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/centre-science-and-environment-cse
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicle-technology-and-fuel