Today marks the passing of Thomas Midgley Jr. . Midgley was the American mechanical engineer and chemist who had a profound effect on our environment when he invented tetraethllead and dichlorodifluoromethane known by trade names such as Ethyl and Freon.
Ethyl was the gasoline additive created to prevent engine knock. It was less expensive than the rival additives like ethanol. Ethyl contained the toxic element lead and was used standard in gasoline from 1920 up through the 1980's dumping lead into the environment the entire time.
I know it's old news, but thought it would fit here in this thread.
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