U.S. National Archives:
Exhibit of Pollution Control System. at Four Corners Power Plant.
U.S. National Archives:
Closeup of a Sign at One of Several Service Stations That Advertise Tuneups to Pass Emission and Safety Tests...08/1975
U.S. National Archives:
One of Several Service Station That Advertise Tuneups to Pass Emissions and Safety Tests Is Located near an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...08/1975
U.S. National Archives:
Happy Young Woman with a Bumper Sticker Which Reports She Had Successfully Passed Testing at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Service Station Mechanic Adjusts the Engine for a Young Woman Whose Vehicle Had Failed the Emissions Test at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Service Station Mechanic Adjusts the Engine for a Young Woman Whose Vehicle Had Failed the Emissions Test at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Service Station Mechanic Adjusts the Engine for a Young Woman Whose Vehicle Had Failed the Emissions Test at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Young Woman Has Stopped at a Service Station for Engine Adjustment after Her Car Had Failed the Emissions Test at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
After Her Car Failed the Emissions Test at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Temporary 30-Day Sticker Attached to the Windshield of a Young Woman's Car Which Had Failed Testing at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Young Woman Watches an Exhaust Analyzer Machine as Her Auto Is Being Tested at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Mother with Her Children at the Cashier's Window Paying for Her Annual Sticker after Her Car Had Successfully Passed Testing at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
City Employee Affixes a Temporary 30-Day Sticker to the Windshield of a Car after It Had Failed Testing at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...08/1975
U.S. National Archives:
Motorist Is Happy after a 1976 Inspection Seal Was Pasted to the Windshield after Her Car Successfully Passed Testing at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...08/1975
U.S. National Archives:
City Employee Affixes a 1976 Inspection Seal to the Windshield of a Car That Has Successfully Passed Testing at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Woman Watches as Minor Adjustments Were Made to Her Auto's Carburetor During Retesting after Her Vehicle Had Failed at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Woman, Center, Is Having Minor Adjustments Made to Her Auto's Carburetor During Retesting after Her Vehicle Had Failed at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
This Driver Is Adjusting the Carburetor of His Van at a Service Station after His Vehicle Failed the Carbon Monoxide Test at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...08/1975
U.S. National Archives:
Motorist, Right Center, Looks on as His Van Is Tested at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...08/1975
U.S. National Archives:
Relieved Motorist Sees an Employee of an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Motorist in the Left Background Waits as an Employee of an Auto Emission Inspection Station in Downtown Cincinnati Tries to Locate Why the Vehicle Failed Its Inspection...09/1975
U.S. National Archives:
Motorist, Left, Listens to a City Employee Explain the Exhaust Emissions Test at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio 09/1975
U.S. National Archives:
Unhappy Motorist, Right, Talks to a City Employee at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Woman Waits for Her Car to Complete Testing at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Motorist, Right, Waits for the Results of His Vehicle's Test at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...08/1975
U.S. National Archives:
> Motorist Leans over to Talk to a City Employee Who Is Driving His Car through the Test Lane at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...08/1975
U.S. National Archives:
Workman Follows His Station Wagon During Testing at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Student Nurse Stands Deep in Thought Waiting for Her Car to Complete Testing at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...09/1975
U.S. National Archives:
Children Watch as Their Car's Brakes Are Tested at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...08/1975
U.S. National Archives:
City Employees Watch the Approach of a Car for a Headlight Alignment Check at an Auto Emission Inspection Station in Downtown Cincinnati, Ohio...08/1975
