The oil embargo forced the U.S. to take measures, indeed.
The Organization of Petroleum Exporting Countries (OPEC) imposed an embargo on oil shipments to industrial nations, such as the U.S., between and 1973 and 1974. Gasoline prices skyrocketed within months, and its supplies plummeted. Consequently, Congress banned the sale of gasoline on Sundays, and some states were forced to ration gasoline.
Answer:
1973
Explanation:
The oil embargo act of 1973-1974 forced the US to ration gasoline for a time. (1973 is the correct answer according to Oddysseyware)