America has always had a love affair with cars. They’ve symbolized our style and emergence as a world power. From running boards that Prohibition-era gangsters stood on when doing a drive-by hit on a rival gang to the outlandish fins and grills that gave the drab 1950s some flash, from the muscle cars of the ’60s to the gas guzzlers of the ’70s, cars have looked different through the years but always were important to us.