My argument is that maybe not for you, but for many people the exhaust from one diesel bus is worse than the exhaust from 10 or 20 gasoline / petrol cars. The a

My argument is that maybe not for you, but for many people the exhaust from one diesel bus is worse than the exhaust from 10 or 20 gasoline / petrol cars. The article I linked to makes no mention of any kind of pollution except for diesel exhaust. (In California, where I live, the vast majority of cars are gasoline / petrol cars.)