![Stanford graduate student Katie Hagey rents her 2002 BMW to strangers through the peer-to-peer car sharing service Wheelz.](https://npr.brightspotcdn.com/dims4/default/ac2628b/2147483647/strip/true/crop/421x561+290+0/resize/150x200!/quality/90/?url=https%3A%2F%2Fmedia.npr.org%2Fassets%2Fimg%2F2012%2F03%2F05%2Fcar_sharing_wide-fca686521361ede4d39102804c084b0093d37306.jpg)
Charla Bear
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Several new startups are connecting people who need a car with strangers who want to make a few extra bucks renting theirs out. Wheelz is one such peer-to-peer car-sharing company. The Silicon Valley startup is gaining traction on college campuses in the Bay Area.