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In 1973 the US mandated all new cars require unleaded gasoline. They had smaller filling ports so leaded pump nozzles couldn't be inserted. So no, leaded fuel
by damienkatz 10y ago
In 1973 the US mandated all new cars require unleaded gasoline. They had smaller filling ports so leaded pump nozzles couldn't be inserted. So no, leaded fuel wasn't banned then, but it's usage decreased rapidly from that year on.