They are going to be the last player standing in the car rental business.

FORBES

Zipcar has thrown a monkey wrench in the traditional car rental business over the last few years.

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Additionally, the U.S. car rental business came under pressure from fleet constraints and associated efforts by rental car companies to drive up pricing.

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Zipcar has thrown a monkey wrench in the traditional car rental business over the last few years, and it currently serves over 673K members with a fleet of over 9K vehicles.

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The self-drive car-rental business is in its infancy, although optimists believe this will change.

ECONOMIST: Cars in China

There are at least three things that make the rental-car business great for customers but utterly detestable for investors.

FORBES: Connect

In fact, travelers are flying more and driving less, with the largest decreases in spending seen at car rental services for consumer and business groups.

FORBES: Luxury Travel Spending Up Despite Gloomy Economy

Sales of highly profitable pickup trucks are tightly correlated with housing starts, while buoyant business travel boosts demand from car-rental firms.

ECONOMIST: General Motors' IPO

Frequent business travelers are the most lucrative customers for car rental companies, and when they travel someone else pays their bills.

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