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GM smog device approved for used cars in California
State Air Resources Board unanimously approves General Motors proposed 20 percent smog control device for 1965 to 1985 model used cars. Rival Air Quality Products objects, warns of increased fuel use, while GM staff say overall impact small and driveability may decline with stricter future standards.
MENTIONED IN THIS ARTICLE
Sacramento
SUPI
State Air Resources Board
California
General Motors Corp
General Motors
Air Quality Products, Inc
Orange County
Noel Conway
Air Quality Products
A. J. Haagen-Smit