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
They had seen the clouds of exhaust fumes spewed by the Trabants and Wartburgs which had brought escaping East Germans to the West. BNC