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Employee at the Hamilton County Auto Emission Inspection Station at Newtown, Ohio. Checks the Exhaust System for a Leaking Muffler.
If a Vehicle Fails the Test for Carbon Monoxide Or Hydrocarbon Emissions, the Owner Has 30 Days to Have It Repaired and Retested. All Light Duty, Spark Ignition Powered Motor Vehicles in the County Must Be Certified Annually. Officials Report 510,000 Vehicles Are Registered in the County, Including 250,000 in the Cities of Norwood and Cincinnati 08/1975. Photographer: Eiler, Lyntha Scott. Original public domain image from Flickr
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