Questions linger over linking energy grids

El Paso Times -- Texas has always operated its own energy grid, separate from the two other grids that span the rest of the country.

Nonetheless, Texans may have a hard time warming up to the three-grid project. Already, comments about Texas sitting it out are making the rounds. "I heard the term 'Dos Amigas' used more than a few times," writes Michael Giberson, an energy expert at Texas Tech University's business school, in a recent blog post.

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