The Phinergy air car concept is a different type of hybrid, using two distinct types of battery to run its electric motor depending on the range needed.
If you've ever dreamed of sucking energy from thin air to power your batteries, a tiny new device offers the perfect solution for would-be energy vampires.
At CES, Innergie announced a portable battery pack that can charge your phone or tablet on the go, and they have some good answers as to why you should buy it.