Both Ashok Leyland and Tata Engineering are still in the process of testing their CNG buses. So is the CNG converting company testing its converted engines. The fear is that the converted engines may break down. And it is still not clear how long it will take for the new CNG buses to be absolutely roadfit. All in all, while the diesel buses and trucks will retire from 1 April, there is little coming in the way of replacement.
Particulate pollution emit out from all sources.
But what is emitted from diesel vehicles is the most potent and the most toxic. But what is emitted from diesel vehicles is the most potent and the most toxic. Moving to CNG is a significant step as it will help us to get good emission results. She presses her case by quoting statistics to show that more school children are suffering from bronchial problems and even cancer because of travelling in diesel buses. Except that the case in favour of CNG is less strong than it was before.