According to a survey, 40% of people said things like listening to their iPod in the car was more important than fuel efficiency, and when asked whether high tech gadgets or green tech was more important in choosing their next car, 30% said gadgets, more than twice the number who said green.
It was a small survey, so one could question the results. But the article also points out that Ford has sold twice as many vehicles with Sync as without since they introduced it...