Inside Apple's clean energy infrastructure

Interested in clean energy? Katie Fehrenbacher of Gigaom notes that Duke Energy is too. It's been talking with Google on developing clean energy for months.

The revelation came on the heels of Fehrenbacher's visit to Apple's two substantial solar farms and fuel cell facility in North Carolina from where she shares an in-depth look at the Cupertino-based company's mega-million dollar investment.