When did they stop adding lead to gasoline?

來源: 於 2018-09-25 10:57:36 [舊帖] [給我悄悄話] 本文已被閱讀：次
When did they stop adding lead to gasoline?
1985: The EPA discussed a total ban on leaded gasoline by 1988. 1990: In amendments to the Clean Air Act, lead was banned from gasoline. The measures would take effect in 1995, giving gasoline companies five more years to completely phase out lead.