Source: Good — December 27, 2011

Zipcar, the first car-sharing company in the United States, has been around for 11 years. But the company had a net loss of $14.7 million in 2010. Getaround, a San Francisco-based peer-to-peer startup, may have a more sustainable vision of the future of car-sharing.

Instead of owning, maintaining, and operating its own fleet of cars (which is how Zipcar works), Getaround owns no vehicles, which may help it avoid problems like those that plague Zipcar. [...]