The truth is that filling up the planes is the driving force.

BBC: News Online

Some have said that the implementation of the second round of quantitative easing (QE2) was the driving force behind the sudden ramp-up in the rate of inflation in China.

FORBES: China Finds Success: More Stimulus Incoming?

Hitcham, an antiquarian bookseller, fears the arrival of Harris and Hoole and other chains will damage the character of the Kent seaside town and force genuine independents out of business by driving up rents.

BBC: Tesco effect: How big firms quietly own little brands

One of the main complaints of genuinely rural types is that townies with weekend cottages not only force up the price of property, thus driving out the rural young, but also get away with paying only 50% of the standard council tax, on the grounds that they do not use local services as much as full-time residents.

ECONOMIST: Clouds over the countryside | The

Imagine a health care system that makes up over 20 percent of the U.S. economy and becomes the driving force for safer products, cleaner energy, and healthier communities.

WHITEHOUSE: Promoting Sustainable Health Care

Well, Robert, the first suicide bomber blew himself up as two members of the peacekeeping force, called the Multinational Force and Observers, were driving with two Egyptian officials just north of the observer's main base in the Sinai.

NPR: Suicide Bombers Hit International Force in Sinai

Whether he succeeds hinges on how the two sides maneuver through Delaware's tricky takeover rules, which are designed to force management to seek the highest price when they put the company up for sale--without driving off bidders that are willing to lay out real cash.

FORBES: BristolClone? Watch Wilmington.