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02/01/1974 New national maximum speed limit


OPEC oil embargo of 1973


60 Seconds: Oil Crisis 1973


Conflict in the Middle-East OPEC's 1970's Oil Embargo

President Richard M. Nixon signs the Emergency Highway Energy Conservation Act, setting a new national maximum speed limit of 55 mph on all interstate roads in the US. The law was a response to the 1973 oil embargo, and its intent was to reduce fuel consumption. However, the law was opposed by motorists and most states.
    • Essentials 

    • Background 

    • Effectiveness of embargo 

    • Chronology 

    • Effects 

    • Decline of OPEC