Forty-five years ago, cars belched lead-based fuel exhaust, a river in Ohio was so polluted that it caught fire and some 80,000 barrels of oil spilled into the ocean near Santa Barbara, Calif., devastating nearby coastal areas.
Forty-five years ago, cars belched lead-based fuel exhaust, a river in Ohio was so polluted that it caught fire and some 80,000 barrels of oil spilled into the ocean near Santa Barbara, Calif., devastating nearby coastal areas.