Digital Home Entertainment Hits The Road

Consumer electronics makers are racing to find new ways to entertain American motorists and passengers, like offering wireless music downloads at gas stations, and building more and better LCDs into sport utility vehicles.

Among possible stumbling blocks: How do you bring three-dimensional, movie-theater-type sound to a car? And what about upgrades–do you have to rip out the interior of your SUV every couple of years? Still, some changes are likely to start appearing in new autos as early as next year.

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