Lead was added to organic gasoline compounds to increase the fuel's resistance to pre-ignition from the 1920s through its banning in 1996. Lead exposure reached its peak in the 1960s. Scientists ...
Roughly 170,000 piston-engine aircraft are used across the country. Nearly all burn a grade of aviation gasoline that contains lead. (Nicolas Economou/NurPhoto via Getty Images) Reading Time: 7 ...
Lead was phased out of gasoline sold for cars and trucks decades ago. But that brain-damaging fuel additive used to prevent engine knock is still being spewed into the air across the nation — ...
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