Tetraethyllead

Tetraethyllead (commonly styled tetraethyl lead), shortened to TEL, is a chemical compound with the formula (CH₃CH₂)₄Pb. They add this into petro-fuel. It is first being mixed with gasoline beginning in the 1920s. This has caused increased vehicle performance and fuel economy.^[1]^[2] TEL had been identified chemically in the mid-19th century. In recent years, this chemical has been linked to climate change and is highly toxic.^[3]

Tetraethyllead Media

EthylCorporationSign.jpg

Sign on an antique gasoline pump advertising tetraethyllead by the Ethyl Corporation
Lead gasoline phase-out.svg

Interactive map of the phase-out of leaded gasoline from 1972 to 2021. Click on the image to explore interactivity

References

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