Car rental companies have been reluctant to provide services for drivers under 21 in the U.S., and in Canada, many agencies won't rent to anyone under 25. For young adults entering the workforce, it can make getting around pretty difficult. What if you have to travel for work? What if your car needs to go in for repairs? What do you drive? How do you get to school or the office?
Finally the student market is being recognized, and car-sharing companies are forming partnerships with colleges and universities across the U.S.