Sentence:  If successful, Edison and Ford—in 1914—would move society away from the...hazards of gasoline cars: air and water pollution, noise and noxiousness, constant coughing and the undeniable rise in cancers caused by smoke <WSD>exhaust</WSD> particulates. 
Meaning of the word marked with <WSD> tags:  The dirty air let out of a room through a register or pipe provided for the purpose.