VOICED: Zipcar becoming an American staple

The video discusses Zipcar, a car-sharing service in Washington, DC, highlighting its convenience for short trips. Users pay an annual fee and hourly rates, with gas included. The service reduces traffic and has faced initial public resistance. Zipcar offers tech features like an iPhone app for easy car location. It is expanding and expects to turn a profit after 10 years.

What impact does Zipcar claim its vehicles have on the number of cars on the road?

Describe the technology that Zipcar uses to help customers locate their vehicles.