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Tucson-based Asarco

Phoenix recruits Silicon Valley firms, and other business news

Phoenix's mayor tries to recruit Calif. tech firms

May 01, 2013 12:00 amLoading…

Asarco loses appeal of emissions rule

The U.S. Supreme Court left intact federal limits on sulfur-dioxide emissions from power plants and other industrial facilities, turning away an appeal by Tucson-based Asarco, a copper-producing unit of Grupo Mexico.

January 23, 2013 12:00 amLoading…

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