Rationing 1947). Tea was still on ration until 1952. In 1953 rationing of sugar and eggs ended, and in 1954, all rationing finally ended when cheese and meats came off ration. Sugar was again rationed in 1974 after Caribbean producers began selling to the more lucrative United States market. Many centralized planned economies introduced a peacetime rationing system due to food shortages in the postwar period. North Korea and China did so in the 1970s and 1980s, Communist Romania during the 1980s, the Soviet Union in 1990–1991, and from 1962-present in Cuba. A good example of this system was Poland. In
Odd–even rationing rationing. However, many people are unaware that zero is even, and this ignorance can cause confusion. The relevant legislation sometimes stipulates that zero is even. In fact, an odd–even restriction on driving in 1977 Paris did lead to confusion when the rules were unclear. On an odd-only day, the police avoided fining drivers whose plates ended in 0, because they did not know whether 0 was even. Odd–even rationing was instituted in the U.S. as part of the response to the second gasoline crisis in 1979, when turbulent conditions in Iraq and Iran led to worldwide oil price increases, even