Google earns most of its money from sales of advertising on its search engine.

VOA: special.2009.07.17

Barton wants to double engine sales by 2005, implying a 12% growth rate.

FORBES: Sharpening the claws

Even after completing the acquisition of Wyeth, drug sales are the undeniable engine of revenue growth.

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The company expected same store sales in China, its growth engine, to take a 25% tumble.

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