Both Rohit and Pankaj are 50% correct when it's said that diesel emits less CO (Carbon Monoxide) than petrol. Also it emits less NOX (Nitrogen dioxide). Both are harmful fuels and in that sense diesel is cleaner than petrol. but diesel engines emit harmful "particulate matters" or "fine particulate matters" which are respirable and very very harmful for health. In United States there are stringent emission standards for diesel powered vehicles. also we all know that diesel buses in Delhi which was the major cause of environmental pollution in Delhi is totally banned after Supreme Court Orders and now it is all converted to CNG. Environment is far clean now as certified by reputed doctors and environmentalist.
My query was as to what extend the emissions from diesel powered car will affect the passenger/driver.
Santhanam
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