Zipcar is a simple concept that nonetheless broke new ground in the United States. Whereas car renting is usually done on a daily or weekly basis, Zipcar rents cars by the hour, providing on-demand, environmentally friendly vehicles for errands, business meetings, and other short trips.This car-renting model has grown substantially since Zipcar was founded in 2000, and it’s stretched across the world. Take advantage of the world of car sharing by using a Zipcar coupon to rent your first Zipcar on the cheap! It’s the perfect middle ground between taxis and the costs of regularly maintaining a car.