In 2012, diesels made up over 50 percent of car and SUV sales in India. That figure is down to just 18 percent today. What caused diesel's downfall, is there truth to its 'dirty fuel' image and, as a buyer, should you still consider a diesel-powered car? Hormazd Sorabjee - Editor, Autocar India - and Ketan Thakkar - Editor, Autocar Professional - share their insights on this episode of the Autocar Deep Drive Podcast powered by Kotak Mahindra Prime.