By Matt Presser | Tuesday, January 29, 2008, 10:11 AM

Eleven companies with ties to the Austin area are among the 53 Fortune 500 corporations that participated in a challenge by the U.S. Environmental Protection Agency to use more renewable power.

The EPA published a list Monday ranking the top companies for purchasing green power, which is generated from renewable resources such as solar, wind and biogas, rather than using conventional power technologies that contribute to greenhouse gas emissions.

Intel Corp., which has an office in Southwest Austin, ranked first on the list of corporations by purchasing 1.3 billion kilowatt-hours of green energy per year.

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Tags: austin, environment, green //