For nearly two-thirds of Americans, AM/FM radio remains the top audio choice while driving. That's the main finding of a Hub Entertainment Research survey of more than 2,500 U.S. consumers ages 16-74, conducted last November.

For nearly two-thirds of Americans, AM/FM radio remains the top audio choice while driving. That's the main finding of a Hub Entertainment Research survey of more than 2,500 U.S. consumers ages 16-74, conducted last November.