National

In 1905, the first gas station was constructed in Missouri. That little service station was a small, but significant sign that a revolution in energy and transportation had begun, a revolution that would reshape American culture, geography, and industry.

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190,000 dentists are in practice nationwide, and that means a lot of offices, a lot of waiting rooms, a lot of gently-thumbed copies of Reader’s Digest, and, of course, a lot of exam rooms. Dental office contracting, in other words, …