Beginning in 2008, Volkswagen installed software to circumvent emissions testing by turning off the nitrogen oxides (NOx) emissions control system in real-world driving in nearly half a million car
Links:
[1] http://admin.indiaenvironmentportal.org.in/news/vw-emissions-cheat-may-lead-50-premature-deaths-423-million-economic-costs-study-shows
[2] http://admin.indiaenvironmentportal.org.in/category/newspaper/science-daily
[3] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-pollution
[4] http://admin.indiaenvironmentportal.org.in/category/thesaurus/health-effects
[5] http://admin.indiaenvironmentportal.org.in/category/thesaurus/volkswagen
[6] http://admin.indiaenvironmentportal.org.in/category/thesaurus/diesel
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/auto-industry
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/vehicular-pollution
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us