​412-DA-15419

Lyntha Scott Eiler
Norwood, Ohio
September 1975

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A motorist watches gauges on an exhaust analyzer as his car is being tested at an auto emission inspection station in Norwood, Ohio. Since January 1975, all light duty, spark ignition powered motor vehicles in Hamilton County must be tested annually for Carbon Monoxide and Hydrocarbon emissions. Officials predict 185,000 of the 250,000 registered vehicles in Norwood and Cincinnati would be tested by the end of 1975