41.   That leaves average Americans nervous and insecure about the future and reluctant to spend freely on the goods and services that keep the economic engine pumping.

42.   That is especially bad news for Show Low, the economic engine of the area as a tourist and recreation destination for residents of Phoenix and Tucson.

43.   The American-led coalition forces are acting as an intelligence force, an economic engine and mediators among rivals here.

44.   That site is on a parkway that city officials have long yearned to turn into a museum row that could be an economic engine for tourism.

45.   The border region, once a powerful economic engine for Mexico, has begun to sputter.

46.   The historic district, which over the years has drawn thousands of visitors to this town on the antebellum trail, has long been the economic engine of Madison.

47.   The gasoline market reflects the fact that when the economic engine slows down, the nation consumes less fuel.

48.   The global economy injects fuel into the economic engine of Charleston.

49.   The result was Mass MoCA, an economic engine for the whole community.

50.   The principle of freer competition is the economic engine of this era.