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At the 2007 Detroit Auto Show, General Motors unveiled an eye-catching -- in more than one way -- concept. The Volt's futuristic looks caught the public's attention but it was the technology underneath the concept's skin that was truly noteworthy. It featured a lithium-ion battery pack that enabled the concept to travel 40 miles on a single charge and had a 1.0-liter turbocharged gasoline engine to act as an electricity generator after the battery pack was depleted.

For a long, long time, it seemed that domestic automakers gave scant concern to compact cars, instead focusing their resources and energy on higher-margin vehicles like pickups, SUVs, crossovers, and big cars. Recently, however, spurred by escalating CAFE standards and shifting buyer preferences, American automakers (well, Ford and General Motors, at least) once again professed their dedication to building small that cars buyers will actually want.

Chevrolet may be working on a hot Z28 Camaro, but for those who are sick of waiting for General Motors to launch the beast, we've come up with a few alternatives.

Once upon a time, before globalism became a favorite buzzword, cars really said something about the countries that produced them. The frugality and reliability of a Honda subcompact spoke to the ingenuity and determination of post-war Japan. The power and size of a tail-finned Cadillac convertible embodied American swagger. And so on. The automobile used to be as much an expression of culture as a country's art or food.

• The 1940 Packard was the first car to offer factory-installed air-conditioning.
• By 1969, more than half of all new cars sold were equipped with A/C.
• Some brands affixed window decals to promote their air-conditioned automobiles.
• For cars not equipped with factory air, dealer-installed, under-dash units were popular.
• In a 1971 front-page story, the New York Times implicated air-conditioning in the death of the convertible, postulating that: "In the age of air-conditioning, real air has lost its value."
• After the freon used in A/C units was blamed for depleting the ozone layer, automakers were required to switch from R12 to the less harmful R134a refrigerant by 1996.
• Dual-zone automatic climate control allows for separate temperature settings for driver and passenger; some cars have additional zones for rear-seat passengers.
• Volkswagen calls its manual air-conditioning system "Climatic;" automatic A/C is "Climatronic."
• Today, more than 99 percent of all new cars are air-conditioned.
• There's no A/C in base versions of the Chevrolet Aveo; Honda Civic; Hyundai Accent and Elantra; Jeep Wrangler; Kia Forte and Rio; Mazda 3; Mitsubishi Lancer; Nissan Versa; and Toyota Tacoma.
• Testing by Consumer Reports found that using a car's air-conditioner resulted in a more than 3-mpg loss at highway speeds. Driving with the windows open had no measurable effect on fuel economy.