SiliconValley.com, a member of the Bay Area Newsgroup (which includes The Mercury News) used data from AEE's annual Advanced Energy Now Market Report in a story about EV charging. From the article:
The charging market has seen rapid growth as battery-powered cars gain in popularity. Spending on charging infrastructure more than tripled between 2011 and 2015, according to industry group Advanced Energy Economy.
Read the full article here. Download Advanced Energy Now here.