Yep, California banned leaded fuel for automotives in 1992, 4 years before the United States federal government followed up. https://archive.epa.gov/epa/aboute

Yep, California banned leaded fuel for automotives in 1992, 4 years before the United States federal government followed up. https://archive.epa.gov/epa/aboutepa/epa-takes-final-step-phaseout-leaded-gasoline.html https://archive.epa.gov/epa/aboutepa/epa-takes-final-step-ph...