The laundry list of green features of each Oil Silo Home is exhaustive: super-thick insulated wall panels, rainwater recycling systems, rooftop gardens, natural ventilation, EV charging stations, radiant floor heating, green walls, and the list goes on and on.

FORBES: Written by Matt Hickman

Though Apple doesn't have an official presence at CES, the iPhone accessory was a popular item on the show floor, There was a neverending supply of cheap cases, covers, Bluetooth keyboards, power packs and charging stations for iPhone and iPads.

CNN: 6 trends we saw at CES 2013