Well CES 2014 is off and surely we can pick up some stuff which should carry some eco-friendly integration if not most of them.
And one thing that comes into mind would be backup batteries, something which is a premium need to date due to the many devices and gadgets that have been coming out year after year. But this one should address all bulkiness issues, the EnerPlex Jumpr Slate lithium polymer battery, something which is just 6.7 mm thick.
The slim backup battery features two full size USB ports and one micro USB port, available in 10,000 ($99) or 5,500 mAh ($59) variants. Slate is a unique option, and might be a great option for students or even the working class who have notebooks in tow most of the time.