We'll just have to disagree then. You were alive and buying leaded gasoline, so I can understand your IQ being dropped a bit.
I'm just kidding, hope you can take a joke.
I've provided a link with source stating the environmental reasons for phasing it out. Here is more. But we've gotten too far off topic now. You can disgree with me, and I'll leave it at that.
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en.wikipedia.org/wiki/Ga ··· thyllead