<div class="description">
<ul><li><b>Scope and content:</b>  MOTORIST, LEFT, LISTENS TO A CITY EMPLOYEE EXPLAIN THE EXHAUST EMISSIONS TEST AT AN AUTO EMISSION INSPECTION STATION IN DOWNTOWN CINCINNATI, OHIO. MANY PEOPLE DO NOT REALIZE THEIR VEHICLES HAVE NOT PASSED THE TEST UNTIL THEY ARE ISSUED 30-DAY STICKERS. ALL LIGHT DUTY SPARK IGNITION POWERED MOTOR VEHICLES ARE TESTED ANNUALLY FOR CARBON MONOXIDE AND HYDROCARBON EMISSIONS, AND BE GIVEN A SAFETY CHECK. ALL OTHER VEHICLES IN THE CITY MUST UNDERGO ONLY THE SAFETY TEST WHICH HAS BEEN IN EFFECT SINCE 1940</li></ul></div>
<bdi><a href="https://www.wikidata.org/wiki/Q64021661" class="extiw" title="d:Q64021661"><span title="US-american photographer, professor and photojournalist">Lyntha Scott Eiler</span></a>
</bdi>
September 1975<div style="display: none;">date QS:P571,+1975-09-00T00:00:00Z/10</div>
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<li><a href="https://en.wikipedia.org/wiki/U.S._National_Archives_and_Records_Administration" class="extiw" title="en:U.S. National Archives and Records Administration">U.S. National Archives and Records Administration</a></li></ul>