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by ScottBurson
4914 days ago
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The driving factor was clean air legislation generally, which mandated the use of catalytic converters in new cars. Lead poisons the catalyst; a tank of leaded gasoline would be plenty to render a catalytic converter useless. Eliminating atmospheric lead may have been a consideration, but in my recollection it wasn't the primary consideration; people were more concerned about unburned hydrocarbons producing smog. |
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