Then there are toxic, corrosive and carcinogenic exhaust fumes and the spreading intrusiveness of traffic noise, which again are by no means limited to city centres. (BNC)
The smoke furled dreamily from its navy blue nostrils and wafted gently into the evening, almost indistinguishable from the exhaust fumes of the cars below it. (BNC)
Dense exhaust fumes in the atmosphere have the same effect, be it more gradual, succeeding in limiting oxygen supplies to the body, which in turn puts greater strain on the heart. (BNC)