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 — ...

Under normal circumstances, most modern engine oil and gasoline brands work fine on their own to keep your engine running smoothly. But there may be cases where even the best of them could use a ...