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Pollution control device in autos faces scrutiny
The catalytic converter, installed in most new cars over two years, sparks debate over benefits and risks. EPA tests show sulfates from exhaust may rise with converters, but GM studies suggest health risk may be lower. fires and rotten egg odors also cited, while carmakers defend efficiencies and cleanliness.
MENTIONED IN THIS ARTICLE
Detroit
EPA
Environmental Protection Agency
General Motors
Auto
Army
Air Force
Texas
Auto Company
Ford Motor Co
Eric O. Stork
Stork
Raleigh
N.C
California
Proving Grounds
Fred. Bowditch