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(14 points) What nationwide step that greatly reduced dangerous automobile emissions was mandated by the U.S. Clean Air Act? a switch from gasoline-powered cars to hybrid gasoline-electric cars a raising
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(14 points) What nationwide step that greatly reduced dangerous automobile emissions was mandated by the U.S. Clean Air Act?

a switch from gasoline-powered cars to hybrid gasoline-electric cars

a raising of the heights of factory chimneys that polluted

the gradual elimination of leaded gasoline as an auto fuel

a change from American cars to cars from other auto-producing nations

User Sokin
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5 votes

Answer: the gradual elimination of leaded gasoline as an auto fuel

Step-by-step explanation:

I just took the test

User Kamo Spertsian
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2 votes

Answer:

the gradual elimination of leaded gasoline as an auto fuel

User Tim Banks
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