Here are a few articles you might be interested in:

• 2014 09 04 Tesla chooses Reno, Nevada for it's battery 'Gigafactory'
• 2014 08 27 Germany's renewable energy efforts may be costly
• 2014 08 25 Big Data: what is it good for?
• 2014 08 25 AI now: the state of the art in Artificial Intelligence as of 2014

Feel free to look at the Wall Street Journal website on-line.