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40 Years of Mmmm

In 1972, the Dow Jones closed above 1,000 for the first time, the Olympic Games in Munich were marred by the killings of 11 Israeli athletes, gasoline averaged 55 cents a gallon, Bobby Fischer became the world chess champion and the last U.S. troops withdrew from Vietnam. It was also a notable year for German automaker BMW, as that year saw the birth of its famed M division.

Video: Chevrolet Caprice PPV reports for duty

For years, police have hit the streets with the reliable but aging Ford Crown Victoria. That car has now been retired, and the Detroit Three are rolling out replacements. Ford now makes an Interceptor version of the Taurus, Dodge has the Charger and Challenger police vehicles, and Chevrolet is coming back with a revamped version of its Caprice.

Winners and Losers: Porsche sales pop in April

Porsche sales spiked 82 percent in April and are up 46 percent for the year, parking the luxury automaker among the top five winners so far for 2011. The redesigned Cayenne made the biggest contribution, with sales up an eye-popping 384 percent from last April and 141 percent for this year. Porsche counted 1,578 copies of the Cayenne sold in April, versus 326 the year before.