Vehicle Emissions |
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| Vehicular Emissions; Emission, Vehicle; Emission, Vehicular; Emissions, Vehicle; Emissions, Vehicular; Exhaust, Automobile; Exhaust, Diesel; Exhaust, Engine; Vehicle Emission; Vehicular Emission | |
| Gases, fumes, vapors, and odors escaping from the cylinders of a gasoline or diesel internal-combustion engine. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed & Random House Unabridged Dictionary, 2d ed) | |