![](http://www.alamy.com/thumbs/6/CC3664CF-2432-4366-907C-C94D9FA11A0D/D4WNA2.jpg)
Emission Test at the National Environmental Research Center of Epa: the Chevrolet Engine (Red) with Chevrolet's Pelletized Catalytic Converter (Flat Aluminum, Lower Center). Ford Motor at Upper Left 09/1973
Emission Test at the National Environmental Research Center of Epa: the Chevrolet Engine (Red) with Chevrolet's Pelletized Catalytic Converter (Flat Aluminum, Lower Center). Ford Motor at Upper Left 09/1973
Size: 1727px × 1157px
Photo credit: © PF-(usna) / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: .., agency, archives, documerica, environmental, environmentalprotectionagency, historic, history, nara:arcid=553330, national, protection, usa, usnationalarchives