The Leaded Gasoline Scandal: How Lead Got Into Every Tank

For decades, American drivers filled up with leaded gasoline. The workers who made tetraethyl lead called it “loony gas.” This documentary traces the 1924 factory deaths, Thomas Midgley's public demonstration, Clair Patterson’s research and the EPA phaseout. It also examines what studies can tell us about lead exposure, IQ and the lead-crime hypothesis. CHAPTERS 00:00 Intro 0:55 An Alternative to Lead 2:02 The Factory Deaths 3:11 Thomas Midgley 4:14 The “Gift of God” Quote 4:59 The Government Review 6:04 Clair Patterson’s Discovery 7:19 The EPA Phaseout 8:27 Lead Exposure and IQ 9:40 The Lead-Crime Hypothesis 10:44 The Last Pump 11:41 The Verdict KEY SOURCES 1925 Surgeon General’s conference on tetraethyl lead: https://archive.org/details/proceedingsofcon00unit 1926 U.S. Public Health Service committee report: https://archive.org/details/useoftetraethyll00unit EPA’s 1973 lead phase-down announcement: https://www.epa.gov/archive/epa/aboutepa/epa-requires-phase-reduction-lead-all-grades-gasoline.html EPA’s 1985 limits: https://www.epa.gov/archive/epa/aboutepa/epa-sets-new-limits-lead-gasoline.html CREDITS Historical imagery includes Gene Daniels’s public-domain EPA DOCUMERICA photograph of Los Angeles smog: https://commons.wikimedia.org/wiki/File:LOS_ANGELES_IN_HEAVY_SMOG_-_NARA_-_552394.jpg Narration uses a synthetic voice. Scenes marked Illustration are AI-generated reconstructions. Music and sound design use CC0 VSCO 2 Community Edition samples. #LeadedGasoline #History #Science