<http://schema.org/alternativeHeadline>
"Personal car-sharing spreads from California to Oregon and, very soon, to a neighborhood near you. The concept of hiring out your own vehicle has proven wildly popular here and around the globe."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mnn.com/green-tech/transportation/blogs/car-sharing-takes-off-in-the-us>